Season One of The Avengers: Earth's Mightiest Heroes first aired its pilot on October 20, 2010. The finale aired on June 19, 2011. It is succeeded by Season Two which debuted on April 1, 2012.


As the world's most dangerous super-villains break out of the Vault, the Cube, the Big House, and the Raft, five of Earth's mightiest heroes assemble a crime fighting alliance called the Avengers. The Avengers team includes Iron Man as team leader, Ant Man/Giant Man, Thor, The Hulk, and The Wasp. Captain America, Black Panther, and Hawkeye have since joined the roster. As they joined together to defeat the masses of super villains, they encounter the one who schemed them all.


Production crew




Title Directed by Written by Original air date Production code
"Breakout, Part 1" Sebastian Montes Christopher Yost October 20, 2010 006
When the security systems at all four of the super-prisons fails at once, the heroes which will become the Avengers must fight a battle for containment.Introducing characters: A.I.M. (Scientist Supreme), Lucia von Bardas, Zzzax, Blizzard, Constrictor, Griffin, Red Ghost, Super Apes, Living Laser, Whiplash, Chemistro, King Cobra, Wendigo, Purple Man, Baron Zemo
"Breakout, Part 2" Vinton Heuck Christopher Yost October 20, 2010 007
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Graviton has escaped the Vault, and he'll destroy all of New York if that's what it takes to get revenge on Nick Fury and SHIELD.
"Some Assembly Required" Sebastian Montes Brandon Auman October 27, 2010 008
The Avengers move into the Avengers Mansion. The Hulk is tricked by the Enchantress, and turned against the other Avengers!
"Living Legend" Vinton Heuck Kevin Burke & Chris Wyatt November 3, 2010 009
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The Avengers, seeking the Hulk, find the ice-entombed body of Captain America.
"Everything is Wonderful" Vinton Heuck Brandon Auman November 10, 2010 010
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Simon Williams seeks revenge on Tony Stark, undergoing an experimental AIM treatment of ionic bombardment to transform himself into Wonder Man.
"Panther's Quest" Sebastian Montes Paul Giacoppo November 17, 2010 011
The Black Panther recruits the Avengers to help him regain the throne of Wakanda.
"Gamma World, Part 1" Vinton Heuck Michael Ryan November 26, 2010 012
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The Leader and his minions use gamma energy to turn people into monsters, and the Avengers try to stop them before the entire Earth is under their power.
"Gamma World, Part 2" Sebastian Montes Michael Ryan November 26, 2010 013
The Avengers are turned into gamma monsters, along with half of North America's population, but the Hulk is determined to stop the madness!
"Masters of Evil" Sebastian Montes Christopher Yost December 5, 2010 014
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The Masters of Evil come visiting the Avengers.
"459" Vinton Heuck Joelle Sellner December 12, 2010 015
The Kree have sent a Sentry to destroy the Earth, and the only thing that can prevent them is the Avengers and one of their own - the Kree, Captain Mar-Vell!
"Widow's Sting" Vinton Heuck Kevin Burke & Chris Wyatt December 19, 2010 019
Hawkeye, Mockingbird, the Black Panther, and Captain America take the battle against Hydra to... Hydra Island!
"The Man Who Stole Tomorrow" Sebastian Montes Andrew Robinson January 9, 2011 016
Kang comes back to the 21st century to eliminate Captain America - even over the Avengers' dead bodies!
"Come the Conqueror" Vinton Heuck Eugene Son January 16, 2011 017
Kang cries HAVOC and lets loose his dogs of war as his forces begin a worldwide invasion
"The Kang Dynasty" Sebastian Montes Brian Reed January 23, 2011 018
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The Avengers attack Kang's flagship in hopes of stopping the invasion of Earth!
"The Casket of Ancient Winters" Sebastian Montes Paul Giacoppo May 15, 2011 020
On the hottest day of the year, an ancient artifact is found... then a cold wind blows. An ancient relic called the Casket of Ancient Winters has been opened, and the entire planet goes into a deep freeze!
"Hail, Hydra!" Vinton Heuck Kevin Burke & Chris Wyatt May 22, 2011 021
HYDRA and A.I.M. are waging war against one another, and only one person knows why... the Black Widow. The Avengers will now have to work with the "double agent" of S.H.I.E.L.D..
"Ultron-5" Sebastian Montes Brandon Auman May 29, 2011 022
Ant-Man has had enough of the violence and wants to find a better way to bring peace to the world... after all, that's why he created Ultron. But something has gone terribly wrong.
"The Ultron Imperative" Vinton Heuck Brandon Auman June 5, 2011 023
As the devastated team struggles with a loss, Ant-Man and Iron Man go about destroying all remnants of Ultron. But they don't realise that Ultron has transcended his body, and has infiltrated the world's computer systems...
"This Hostage Earth" Sebastian Montes Michael Ryan June 12, 2011 024
The end begins! The Masters of Evil mobilize all across the world preparing for an invasion the likes of which Earth has never seen. And unless the Avengers can stop it... the armies of Asgard are coming to Earth.
"The Fall of Asgard" Vinton Heuck Christopher Yost June 19, 2011 025
Lost and separated, the Avengers struggle to survive in the nine realms of Asgard. But with Thor defeated and Iron Man's armor not functioning... what chance do they have?
"A Day Unlike Any Other" Sebastian Montes Christopher Yost June 26, 2011 026
Eight realms have fallen, and only Midgard remains. The Avengers are nothing against his power. Loki has won. Every moment has led to this.

See Also

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