Episode 3
Iron Man Is Born
After defeating HYDRA's attack on the United Nations, Iron Man learns that S.H.I.E.L.D. is taking control of his technology.
All Episodes
Episode 1
Breakout (1)
October 20, 2010
A mass breakout occurs at each of the four supervillain prisons.
Episode 2
Breakout (2)
October 20, 2010
Ant-Man/Giant-Man, Hulk, Iron Man, Thor and Wasp band together to battle Graviton after he escapes from the Raft and targets Nick Fury.
Episode 3
Iron Man Is Born
October 24, 2010
After defeating HYDRA's attack on the United Nations, Iron Man learns that S.H.I.E.L.D. is taking control of his technology.
Episode 4
Thor the Mighty
October 24, 2010
After stopping a robbery attempt by the Wrecking Crew, Thor returns to Asgard in order to defeat Loki and the Frost Giants.
Episode 5
Hulk Versus the World
October 24, 2010
The Hulk is hunted by General Ross and the Absorbing Man while Hawkeye discover a conspiracy within SHIELD.
Episode 6
Meet Captain America
October 24, 2010
Kang the Conqueror observers, while Captain America and the Red Skull battle during World War II.
Episode 7
The Man in the Ant Hill
October 24, 2010
Ant-Man and the Wasp work together to stop Whirlwind. Meanwhile T'Challa's father fights the Man-Ape for control of Wakanda.
Episode 8
Some Assembly Required
October 27, 2010
The Enchantress uses her magic to manipulate the Hulk into distrusting the rest of the Avengers and attacking Thor.
Episode 9
Living Legend
November 3, 2010
The Avengers discover the frozen body of Captain America and revive him, leading Baron Zemo to attack, seeking revenge against Cap for infecting him with Virus X.
Episode 10
Everything Is Wonderful
November 10, 2010
Furious at Tony Stark for buying up his company, Simon Williams seeks revenge by undergoing a dangerous AIM procedure, overseen by MODOC and the Grim Reaper, Williams' brother, which turns him into a being of pure ion energy.
Episode 11
Panther's Quest
November 17, 2010
The Black Panther seeks the Avengers' aid in freeing his African nation of Wakanda from usurper king Man-Ape, and stopping Hydra agents Ulysses Klaw and the Grim Reaper from stealing Wakanda's supply of vibranium.
Episode 12
Gamma World (1)
November 26, 2010
When the Leader creates a bubble of gamma radiation emanating from the Cube that mutates any human it touches, the Avengers team up with Doc Sampson to stop him. Meanwhile, Hawkeye infiltrates a Hydra base in order to capture Black Widow.
Episode 13
Gamma World (2)
November 26, 2010
It's up to Hawkeye, the Hulk, and Thor to save the day when the Leader's gamma radiation ray mutates the rest of the Avengers and threatens to do the same to every human on earth.
Episode 14
Masters of Evil
December 5, 2010
It's Hawkeye, Black Panther, and Ant Man to the rescue when Baron Zemo and his Masters of Evil defeat the rest of the team and take over the Avengers Mansion.
Episode 15
459
December 12, 2010
The Avengers join forces with Captain Mar-vell in order to prevent a Kree sentry drone from destroying the Earth.
Episode 16
Widow's Sting
December 19, 2010
Defying the orders of both SHIELD and Iron Man, Hawkeye and Mockingbird allow themselves to be captured by Hydra in an attempt to bring down Black Widow.
Episode 17
The Man Who Stole Tomorrow
January 9, 2011
Kang arrives from the future, claiming he must kill Captain America and conquer the Earth in order to save it from destruction.
Episode 18
Come the Conqueror
January 16, 2011
Kang launches a full-scale invasion of Earth using an army of robots, and in order to save New York, the Avengers are forced to unleash the Ultrons who serve as guards for the Negative Zone Prison.
Episode 19
The Kang Dynasty
January 23, 2011
The Avengers board Kang's command ship in order to put an end to his invasion of Earth.
Episode 20
The Casket of Ancient Winters
May 15, 2011
Dark elf Malekith the Accursed locates an Asgardian artifact that plunges the Earth into eternal winter.
Episode 21
Hail Hydra!
May 22, 2011
Black Widow turns to the Avengers for help when Hydra and AIM battle over control of the Cosmic Cube.
Episode 22
Ultron-5
May 29, 2011
When Ultron-5 goes out of control and kidnaps Wasp, things go crazy when the droid kills Thor with his lasers.
Episode 23
The Ultron Imperative
June 5, 2011
Despite Thor going missing and Captain America ending up in the hospital, the Avengers must stop Ultron from eliminating the world's most flawed creatures-humanity.
Episode 24
This Hostage Earth
June 12, 2011
The Masters of Evil take over Earth and Loki double crosses Baron Zemo.
Episode 25
The Fall of Asgard
June 19, 2011
Separated across the mythological realms, the Avengers face new threats and make allies for the fight against Loki.
Episode 26
A Day Unlike Any Other
June 26, 2011
Eight of the nine realms of Asgard have fallen, only the Earth remains. The Avengers are all that stands between Loki and total conquest.