Season One

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.

Summary

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.

Cast

Production crew

Directors

Vinton Heuck - 10 episodes
Sebastian Montes - 11 Episodes

Writers

Brandon Auman - 4 episodes
Kevin Burke - 1.5 episodes (3 episodes, all co-written)
Paul Giacoppo - 2 episodes
Brian Reed - 1 episode
Andrew Robinson - 1 episode
Michael Ryan - 3 episodes
Joelle Sellner - 1 episode
Eugene Son - 1 episode
Chris Wyatt - 1.5 episodes (3 episodes, all co-written)
Christopher Yost - 5 episodes

Episodes

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
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
The Avengers, seeking the Hulk, find the ice-entombed body of Captain America.
"Everything is Wonderful"	Vinton Heuck	Brandon Auman	November 10, 2010	010
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
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
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
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.