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Hydra (comics)

This article is about the fictional terrorist organization. For other uses, see [[Hydra (disambiguation)#REDIRECTmw:Help:Magic words#Other
This page is a soft redirect.Hydra]].

Hydra agents
Publication information
Publisher Marvel Comics
First appearance Strange Tales #135 (Aug 1965)
Created by Stan Lee
Jack Kirby
In-story information
Base(s) Various
Owner(s) Currently:
Baron Strucker
Red Skull
Employee(s) Current Members:
Baron Helmut Zemo
Former Members:
Werner von Strucker
Bob, Agent of Hydra

Hydra is a fictional terrorist organization appearing in American comic books published by Marvel Comics. The name "Hydra" is a reference to the mythical Lernaean Hydra.[1] The organization's motto references the myth of the Hydra, stating that "if a head is cut off, two more will take its place," proclaiming their resilience and growing strength in the face of resistance. Hydra agents often wear distinctive green garb featuring a serpent motif.

Publication history

Hydra first appeared in Strange Tales #135. In its original continuity, it was headed by nondescript businessman Arnold Brown, who was killed as S.H.I.E.L.D. apparently crushed the organization. It soon returned, however, headed by Baron Wolfgang von Strucker, with the support of the Nazi Red Skull; Hydra's changing origin was one of Marvel's earliest retcons. After its initial defeat, several of its branches, such as its scientific branch A.I.M. (Advanced Idea Mechanics) and the Secret Empire, became independent.

Crypt of Shadows #3, published in 1973, reprinted a story from Menace #10 (1954), but with a change to a line of dialogue that led to some erroneously believing Hydra was first mentioned in the 1954 issue. In the reprint, an agent of an unspecified enemy government was changed to identify himself as working for Hydra when he paid off a scientist named Dr. Nostrum for information about a cobalt bomb that turned people into monsters. Dr. Nostrum shot all the other scientists on his team after they were turned into monsters, then shot himself after his son put an image from a monster magazine on his mirror.


"Hail, Hydra! Immortal Hydra! We shall never be destroyed! Cut off a limb, and two more shall take its place! We serve none but the Master—as the world shall soon serve us! Hail Hydra!"

—The Hydra Oath from Strange Tales #135 (Aug. 1965)

Hydra is a criminal organization dedicated to the achievement of world domination through terrorist and subversive activities on various fronts, resulting in a fascist New World Order. Its extent of operations is worldwide; always attempting to elude the ongoing counter-espionage operations by S.H.I.E.L.D. Hydra is funded by Baron Strucker's personal fortune, based on his recovered hoard of Nazi plunder from World War II, and funds established by the original leaders of the Japanese secret society that became Hydra.

The organization is run with behind-the-scenes direction by Baron Strucker (who was one of the people to assume the role of Supreme Hydra). Under him is a central ruling committee; under them are individual division chiefs, and under them are the rank and file members and special agents.

In order to become a member of Hydra, an individual must be a legal adult willing to submit to a thorough investigation of the applicant's personal background and to swear a death-oath of loyalty to Hydra and its principles.


Hydra's level of technology is as highly advanced as that of any on Earth, based in part on technology of the alien Gnobians discovered by Baron von Strucker in 1944. Hydra uses various advanced experimental vehicles and devices in its activities, and various conventional military vehicles, seacraft, aircraft, pistols and standard concussive force blasters, and conventional communications equipment.

Hydra personnel are issued cowled jumpsuits, which have included a number of designs over the years. Originally, the jumpsuits were green with a yellow H design, and later incorporated a red and brown color scheme, but in time were changed back to green with a serpent motif.

Fictional organization history

Hydra's history as depicted in Marvel Universe continuity is a long, tumultuous and convoluted one, spanning millennia ago to the Third Dynasty of Egypt, with all references to the ancient group disappearing around the Renaissance.[2] Its return came in the decades from the end of the Second World War up to the present day, tied directly to surviving fugitive members of governments of Nazi Germany and the Empire of Japan.

A select few of the more politically oriented members of the order of the evil mystical ninja known as The Hand would be recruited to form the rebirth of Hydra as a cabal of Japanese ultranationalists who plotted to overthrow the Japanese government, assassinate the prime minister, and install an anti-communist government, which would re-arm Japan.

Shortly upon joining Hydra, von Strucker seized control of the organization from its Japanese founders, and moved Hydra's operations to a private island in the Pacific, named Hydra Island. The original Hydra Island was invaded by the Leatherneck Raiders and the Japanese Samurai Squad, and the base was destroyed.[3] Strucker slowly steered the organization towards the goal of world domination. That campaign brought him into conflict with Charles Xavier and the future Magneto among others, and once Hydra became more brazenly public in its operations, eventually led to the creation of the original agency known as S.H.I.E.L.D. specifically to counter Hydra's threat to world security. After Hydra apparently assassinated S.H.I.E.L.D.'s first executive director, Nick Fury was appointed as executive director. Hydra agents attempted to assassinate Nick Fury before his appointment as S.H.I.E.L.D.'s Director, but failed.[4]

This decision, after several Hydra campaigns including the failure of the world blackmail attempt using the Betatron Bomb, the creation of the Overkill Horn (designed to detonate all nuclear explosives worldwide), and the bio-engineered "Death-Spore" Bomb, led directly to von Strucker's first death at the hands of Fury and several deceived Hydra operatives. In the wake of von Strucker's first death, the surviving elements of Hydra broke into factions that each adopted its own reorganized modus operandi. Several of these factions developed "super-agents" that would occasionally break away in turn to become freelance operatives, or, in some rarer cases, superheroes such as the first Spider-Woman. During this era, their collective threat was mitigated by not only occasionally fighting among themselves, but their operating policy of punishing failure with death often meant they were killing each other more often than their intended victims after their frequent defeats by SHIELD, superheroes and even civilians like the motorcycle racing team, Team America. Von Strucker was eventually revived and reunited several of the Hydra factions under his leadership to renew his campaign against S.H.I.E.L.D. and humanity for several more years.

Despite his reorganization of the group, various independent Hydra factions continue to operate around the Marvel Universe, and a Hydra Civil War would later result. While Baron Helmut Zemo had Strucker placed in stasis for his own ends, Gorgon and Strucker's second wife Elsbeth von Strucker mystically created a clone of Strucker who they set up to fail, allowing for a public execution of him, after which—as part of an alliance with The Hand, they utilized an army of brainwashed superheroes and supervillains, including Northstar and Elektra to launch a massive assault on S.H.I.E.L.D. The assault was ultimately repelled and Wolverine would kill Gorgon.

Hydra later planned an all-out attack on the United States by smuggling missiles into New York for use in a planned bio-weapon assault on the Ogallala Aquifer. They formed a distraction through using a team that had the duplicated powers of several Avengers (Iron Man, Captain America and former Avengers Thor and Hawkeye) but were inevitably foiled by Spider-Man and the other New Avengers.

When Spider-Woman (Jessica Drew) was captured by S.H.I.E.L.D. during the events of Civil War, Hydra stormed the S.H.I.E.L.D. Helicarrier and freed her. Spider-Woman, a S.H.I.E.L.D. agent and member of the Avengers, had been working for Hydra under the orders of Nick Fury, deposed as Director of S.H.I.E.L.D. following the events of Secret War, whom she was still loyal to. Hydra revealed that they knew of her betrayal and wanted her to replace Viper as their current leader, for she was unstable. Spider-Woman refused their offer, destroying the Hydra base she had been taken to in an explosion.

As Spider-Woman revealed her true identity as Queen Veranke of the Skrull Empire, Hydra was left with a void in his control organization, filled by Congressman Woodman. Under his rule the young Hardball, empowered by the Power Broker is appointed as a double agent, acting both as an Initiative recruit and as a Hydra spy with the role of gathering information about the Initiative and doing errands for Hydra in exchange of secrecy and the expensive health care needed by his brother, a former UCWF wrestler who was crippled on the ring.

Hardball however, deeply hurt and shamed by the compromises Woodman forces him to endure, and Komodo's attempt to bail him out of Hydra by telling his secrets to his field leader Gravity, mercilessly kills Congressman Woodman in front of his subordinates. His ersatz coup d'état pays off, and Hardball is appointed as the new Supreme Leader of the organization, severing every tie with his former life.[5] His joining Hydra however, was revealed to simply be caused by his having nowhere else to go. He surrenders to the Shadow Initiative, and is sent to the Negative Zone prison, destroying his Hydra cell.[6]

After the events of Secret Invasion, Nick Fury discovers that S.H.I.E.L.D. was under the control of Hydra, and apparently had been from the beginning. He also discovers a number of organizations under Hydra's alleged control including the United States' FBI Science and Technology Branch, NSA and US Department of Treasury, as well as the Russian Main Intelligence Directorate and Foreign Intelligence Service and the Canadian Security Intelligence Service.[2]

Meanwhile, after having to destroy Hydra's undersea headquarters, Ichor - it had been infiltrated by the Skrull invasion force - Von Strucker decides to rebuild Hydra from the ground up, and after learning that Fury has learned the truth, reconvenes the other main heads of Hydra: Viper, Madame Hydra, Kraken, and The Hive; as well as resurrecting The Gorgon for the purpose of showing Hydra's "True self" to the world.[7]

Hydra (alongside A.I.M.) later appears in an alliance with H.A.M.M.E.R..[8] Following the defeat of Norman Osborn, H.A.M.M.E.R. ends up disbanding with Madame Hydra using the remaining members to reinforce Hydra.[9]


Council of Hydra

The Ruling Council of Hydra, introduced in Secret Warriors #2, consists of:

  • Viper - Leader of Hydra's New York City branch who also goes by the name Madame Hydra. First appeared in Captain America #110 (Feb 1969)
  • The Gorgon - First appeared in Wolverine (vol.2) #20
  • Kraken - First appeared in Secret Warriors #2.

Supreme Hydra

The Supreme Hydra is a term given to the leader of Hydra. Besides Baron Strucker, among the known Supreme Hydras in order of appearance are:

  • Supreme Hydra - An unnamed state Shinto Imperialist who was the first leader of Hydra. He first appeared in Captain Savage #4 (July 1968) where he was also killed by Baron Strucker who usurped his position.
  • Supreme Hydra - The unnamed Supreme Hydra that tried to destroy Hulk. First appeared in Incredible Hulk #132 (Oct 1970).
  • Silvermane - "Supreme Hydra" of the East Coast. First appears as Hydra leader in Daredevil #120 (Apr 1975)
  • Count Otto Vermis - The Supreme Hydra who is the leader of European Hydra fragment and manipulated Jessica Drew into being a Hydra agent. First appeared in Marvel Spotlight #32 (Feb 1977). He was killed in the same issue when Spider-Woman left bombs on his escape jet.
  • Sn'Tlo - A Skrull who infiltrated Hydra and rose to the rank of Hydra Supreme where he had the alias of Sensational Hydra. First appeared in Captain America Vol. 3 #3 (March 1998).
  • Edgar Lascombe - The Supreme Hydra that was responsible for the creation of the Hydra Four. First appeared in The Amazing Spider-Man #521 (Aug 2005).

Hydra Agents

The following characters are or were agents of Hydra:

  • Agent Dakini -
  • Anton Trojak - Annihil-Agent, 47, Scientist (deceased). First appeared in Strange Tales #155 (Apr 1967)
  • Blackwing - Air Action Division Leader of the East Coast. First appeared in Daredevil #118 (Feb 1975)
  • Commander Kraken - Naval Action Division Leader of the East Coast. First pictured as Hydra leader in Daredevil #121 (May 1975)
  • Elliot Kohl - First appeared in She-Hulk #7, June 2006. Hydra Soldier, now imprisoned.
  • Elsie Carson - Former Southwestern U.S. Regional Field Director, Corporate Hydra; First appeared in Team America #11 (Apr 1983)
  • Fox - Administration Division Leader of the East Coast. First appeared in Strange Tales Annual #2 (Sep 1963)
  • George Fistal -
  • Grim Reaper - Self-appointed head of Hydra's New York branch. Revealed as Hydra leader in Avengers #106 (Dec 1972)
  • Hydra Four - Creations of Hydra who were trained to kill the Avengers. There were other tubes containing these Super Hydra Agents, but only four of them were opened. First Appeared in Amazing Spider-Man #520.
    • Bowman - Hydra's version of Hawkeye.
    • Hammer - Hydra's version of Thor. He had the same powers as Thor except for immortality.
    • Militant - Hydra's version of Captain America.
    • Tactical Force - Hydra's version of Iron Man. His first name is Karl.
  • Jackhammer - Engineer Corps leader of the East Coast. First appeared in Daredevil #123 (Jul 1975)
  • James Winderfield - Part-time Agent of Corporate Hydra. First appeared in Team America #11 (Apr 1983)
  • Jared Kurtz - Hydra Agent from Europe. First appeared in Marvel Spotlight #32 (Feb 1977)
  • Kingpin - Actual director of Hydra's Las Vegas branch. First appeared as Hydra leader in Captain America #147 (Mar 1972)
  • Laura Brown - Special Hydra Agent H (later G). First appeared in Strange Tales #135 (Aug 1965)
  • Lieutenant Cassandra Romulus -
  • Lieutenant Garrotte -
  • Lieutenant Guillotine -
  • Lieutenant Saltz -
  • Man-Killer - Assassins Division Leader of the East Coast. First appeared as Hydra leader in Daredevil #123 (Jul 1975)
  • Ms. Fischer - First appears in Secret Warriors #2.
  • Ms. Fisher - Hydra recruiter. First appeared in Secret Warriors #12.
  • Nancy Winderfield - Part-time Agent of Corporate Hydra. First appeared in Team America #11 (Apr 1983)
  • Ralph Sanzetti - Assassin, Corporate Hydra (deceased). First appeared in Team America #12 (May 1983)
  • Ron Takimoto (deceased) -
  • S.H.I.E.L.D. Super-Agents
    • Knockabout -
    • Psi-Borg -
    • Violence -
  • Sathan (deceased) -
  • Sergeant Batrel -
  • William Darvin - Agent of Corporate Hydra (deceased). First appeared in Team America #1 (Jun 1982)

Other versions

Ultimate Marvel

At the time when Spider-Man was presumed dead following the events of the Ultimatum storyline, J. Jonah Jameson recalled the time when Spider-Man saved Tony Stark from an attack by Hydra.[11]

In more recent Ultimate titles, Hydra has been described as an "anti-government" organization (though their political philosophy is left deliberately vague). Modi (Thor's son) is seen in allegiance with them, and acquiring weapons from Project Pegasus, including Modi using the Mind Gem on Director Flumm (to attempt to kill the U.S. President), and Cassie Lang attacking Spider-Man (until stopped by his venom-strike).[12] They are defeated by both S.H.I.E.L.D. and the Ultimates although some members escaped.[13]

Nick Fury later masqueraded as Scorpio and infiltrated Hydra and came across Abigail Brand, a Hydra soldier who captures him and brings him to Commander Crimson.[volume & issue needed] Commander Crimson later sends Brand to the Death's Head Camp along with Fury until rescued. S.H.I.E.L.D. Director Monica Chang grants Fury to permission to re-form the Howling Commandos to stop Hydra.[14]


Another alternate version of Hydra appears throughout Exiles #91-94, where they are well underway with their plan to take over the world. This version is being led by Madame Hydra (Sue Storm, the Invisible Woman in the regular Marvel universe) and her lover, Wolverine. Various other superhumans, including Captain America (now Captain Hydra) and Slaymaster, are agents of Hydra in this world.[15]

Amalgam Comics

Another version of Hydra has appeared in Amalgam Comics. They are very similar to the normal Hydra and wear the same green and yellow outfits, but with black eyes not red. They first appear in Super-Soldier #1 and are led by Lex Luthor (later known as Green Skull).

In other media


  • Hydra appeared in the X-Men: Evolution episodes "X-23" and "Target X". They were behind the creation of X-23 from Wolverine's DNA. Viper appears to be the Supreme Hydra while Omega Red and Gauntlet are shown as mercenaries working for Hydra.
  • Hydra appears as a recurring foe in The Avengers: Earth's Mightiest Heroes, first appearing in the episode "Meet Captain America" as a branch of Nazi Germany under Baron Heinrich Zemo with the Red Skull as the group's super soldier.[16] At that time, Red Skull uses Hydra's resources and a rune stone to abduct Nordic mythological beasts from the Nine Realms and subject them to their control before Captain America and Bucky thwarted the scheme. Hydra continued its attempts of world dominion after the war ended under the leadership of Baron Strucker prior to his capture. In the present, as seen in the episode "Iron Man is Born", Hydra stole some technology from Stark Industries to bolster Dreadnoughts for an attack on the United Nations before being defeated by Iron Man with the captured agents taken to the vault where Strucker is held. But it is revealed to be an attempt by Grim Reaper to free Strucker prior to the mercenary's own incarnation before they managed to escape during the two-part episode "The Breakout." In the episode "Hulk vs the World", it is revealed that Black Widow is a double-agent working for Hydra when she steals Hulk's DNA and frames Hawkeye as a double-agent. In the episode "Living Legend", a revived Zemo finds Strucker ruling Hydra yet allows him to keep it, seemingly severing ties with the organization. In the episode "Panther's Prey", Grim Reaper and Hydra managed to pick up some Vibranium from Man-Ape and Klaw, when the former takes over Wakanda. In the episode "Widow's Sting", Grim Reaper and Hydra meet with MODOK and A.I.M. for a transaction that would help in the creation of the Cosmic Cube which is crashed by Hawkeye in his search for Black Widow. Grim Reaper manages to escape (not knowing that Hawkeye had placed a tracer on him) while the defeated Hydra and A.I.M. agents were arrested by S.H.I.E.L.D. When Hawkeye, Mockingbird, Captain America, and Black Panther trace Grim Reaper to Hydra Island, they end up fighting the forces of Hydra. Baron Strucker ended up having the computer activate the self-destruct sequence upon telling it "Codename: Fenris". Though Hawkeye goes after Black Widow and Baron Strucker. Hawkeye is taken down by Black Widow who secretly attacks Baron Strucker as he tries to take Hawkeye's youth. Black Widow escapes from Hydra Island with Baron Strucker while Grim Reaper, Madame Hydra (who was later revealed to be a Skrull), and the remaining Hydra Agents present are arrested by S.H.I.E.L.D. While waiting for MODOK, Black Widow tells Baron Strucker that Black Panther attacked him from behind. MODOK arrives and tells Baron Strucker that the Cosmic Cube experiment was a failure and gives back the money. After MODOK left, Baron Strucker suspects that MODOK was lying about the Cosmic Cube experiment being a failure. In the episode "Hail Hydra", AIM and Hydra tear the city apart for control of the Cosmic Cube, forcing the Avengers to intervene. It is revealed that the Black Widow was ordered by Nick Fury to infiltrate Hydra to learn the nature of the Cube. In the end, the Avengers prevailed when both Baron Strucker and Captain America touched the Cosmic Cube and it appeared as if nothing happened. Hydra was finally taken down for good as they were arrested by S.H.I.E.L.D.
  • Hydra appears in The Super Hero Squad Show episode "Brouhaha at the World's Bottom". Baron Strucker leads the Hydra forces into attacking a S.H.I.E.L.D. Base in Antarctica so that they can use the technology there in order to head to another world.
  • Hydra appears in Avengers Assemble. They are first seen in the episode "The Avengers Protocol" Part 1.
  • Hydra is featured in Agents of S.H.I.E.L.D., a TV series set in the Marvel Cinematic Universe. The episode "Turn, Turn, Turn" deals with the Hydra uprising within S.H.I.E.L.D. as seen in the film, Captain America: The Winter Soldier. The remaining episodes of season 1 deal with the fallout of Hydra exposing themselves, with S.H.I.E.L.D. being branded a terrorist organization for letting Hydra infiltrate them and effectively dissolved. The second season focuses on Phil Coulson and his team taking down the remaining branches of Hydra, including Daniel Whitehall and Wolfgang von Strucker and Strucker's subordinate Dr. List. After the deaths of Whitehall in the episode "What They Become" and several other Hydra leaders in the episode "Aftershocks" and eventually both Dr. List and Strucker in Avengers: Age of Ultron, all of Hydra's top-ranking leaders are eliminated. Grant Ward decides to become the new leader of Hydra by the end of the season two finale "S.O.S."
  • Hydra briefly appears in the Ultimate Spider-Man episode "Great Power", where Spider-Man imagines Nick Fury fighting Hydra members. It is also referenced in the episode "S.H.I.E.L.D. Academy" when Iron Spider and Spider-Man accidentally free old Hydra scientist Arnim Zola from containment.


  • Hydra appeared in Heroes United: Iron Man and Hulk. The Hydra scientists Dr. Cruler and Dr. Fump hire Abomination to catch Hulk for an experiment. They later turn on Abomination to use him in the same experiment.
  • Hydra is a key element in the Marvel Cinematic Universe, founded on a belief that humanity could not be trusted with its own freedom, and must be subjugated for its own good.
    • Hydra first appears in the 2011 film Captain America: The First Avenger under the leadership of Red Skull, depicted to have originally started as a advanced science branch for the Third Reich, utilizing several experimental aircraft such as the Focke-Wulf Triebflügel VTOL aircraft and a huge intercontinental flying-wing bomber based in part on the Horten Ho 229 design.[18][19] But upon acquiring the Tesseract with Arnim Zola developing the technology to harness its energies, Hydra goes rogue as Red Skull eventually plans to betray Nazi Germany after the Allies are defeated. Ultimately, Red Skull is apparently incinerated upon touching the Tesseract, and Hydra's bases are systematically destroyed by the Allies.
    • In The Avengers, it is revealed that S.H.I.E.L.D. gathered everything there was related to the Tesseract (then in the possession of Thor's foster brother Loki), including Hydra technology. A plan known as "Phase Two" deals with using the Tesseract to develop weapons, using the Hydra weapons as a template.
    • Despite its apparent disbandment, Hydra resurfaces in Captain America: The Winter Soldier. It is revealed that when S.H.I.E.L.D. was founded, Arnim Zola implanted Hydra agents into it and other intelligence organizations in a decades-long plan to convince humanity to surrender their freedom for security by orchestrating assassinations and international conflicts. After Zola transplanted his consciousness into a computer, leadership of Hydra came to senior S.H.I.E.L.D. member Alexander Pierce, as well as various S.T.R.I.K.E. members, including Brock Rumlow and Jack Rollins. After the events of The Avengers, Nick Fury and the World Council decided to put Project: Insight into action, which Hydra secretly planned to use to their advantage to wipe out any known, or potential, threats to them. Captain America, Black Widow, Fury and Falcon discover this and expose Hydra's plan to the world, while also managing to stop Project: Insight in the process. Following the destruction of Hydra's leadership with Pierce's death, and also S.H.I.E.L.D.'s collapse, small Hydra groups are shown to still be active as revealed in Agents of S.H.I.E.L.D..
    • In Avengers: Age of Ultron, first seen in the mid credits of The Winter Soldier, a branch of Hydra under Baron Strucker has been using the scepter Loki obtained from Thanos to create superhumans. While Strucker is eventually captured by the Avengers, due to them being indirectly alerted to his location by Phil Coulson through Maria Hill in Agents of S.H.I.E.L.D., he succeed in creating two surviving specimens: Quicksilver, and Scarlet Witch.

Video games

  • Hydra is featured in Marvel: Avengers Alliance. Known members include Baron Helmut Zemo, Moonstone, Viper, and the Hydra Four. Hydra's Power Armors appear as bosses and were created from stolen Stark Industries technology. Their foot soldiers consist of Hydra Ballistas, Hydra Burners, Hydra Cannons, Hydra Judicators, Hydra Officers, Hydra Pyros, Hydra Soldiers, and Hydra Vanguards.
  • Hydra is featured in Avengers Initiative, with its members serving as enemies in the Captain America chapters of the game.[20]

Live performance


  1. ^ Official Handbook of the Marvel Universe HC entry for Hydra
  2. ^ a b Secret Warriors #1
  3. ^ Captain Savage and his Leatherneck Raiders #2-4
  4. ^ Strange Tales (vol. 1) #135
  5. ^ Avengers: The Initiative Special #1
  6. ^ Avengers: The Initiative #24
  7. ^ Secret Warriors #2
  8. ^ New Avengers Vol. 2 #18
  9. ^ Avengers Vol. 4 #24
  10. ^ Secret Warriors #6
  11. ^ Ultimate Requiem: Spider-Man #1
  12. ^ Ultimate Comics: Spider-Man #16
  13. ^ Ultimate Comics: Ultimates #18
  14. ^ Ultimate Comics: Ultimates #21
  15. ^ Exiles #92
  16. ^ Medinnus, David (January 1, 2011). "An Interview With Christopher Yost". Retrieved April 1, 2011. 
  17. ^ "Twitter / Marvel: Watch an exclusive clip from Marvel’s "Iron Man & Captain America"". December 3, 2013. Retrieved August 15, 2014. 
  18. ^ "Red Skull's Escape Vehicles (2011)". MonsterMinions. July 22, 2011. Retrieved 2011-08-01. 
  19. ^ Maksel, Rebecca (August 9, 2011). "Captain America and the Horten Brothers". Air & Space/Smithsonian. National Air and Space Museum - Smithsonian Institute. Retrieved 2011-08-15. 
  20. ^ Aldrin Calimlim (December 13, 2012). "Thumbs Up, Soldier! Captain America Enters The Avengers Initiative". AppAdvice. Retrieved August 15, 2014. 
  21. ^ "Character Reveals for Marvel Universe LIVE! | News". Retrieved August 15, 2014. 

External links