Season 1

October 20, 2010

A mass breakout occurs at each of the four supervillain prisons.

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.

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.

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.

October 24, 2010

The Hulk is hunted by General Ross and the Absorbing Man while Hawkeye discover a conspiracy within SHIELD.

October 24, 2010

Kang the Conqueror observers, while Captain America and the Red Skull battle during World War II.

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.

October 27, 2010

The Enchantress uses her magic to manipulate the Hulk into distrusting the rest of the Avengers and attacking Thor.

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.

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.

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.

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.

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.

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.

December 12, 2010

The Avengers join forces with Captain Mar-vell in order to prevent a Kree sentry drone from destroying the Earth.

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.

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.

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.

January 23, 2011

The Avengers board Kang's command ship in order to put an end to his invasion of Earth.

May 15, 2011

Dark elf Malekith the Accursed locates an Asgardian artifact that plunges the Earth into eternal winter.

May 22, 2011

Black Widow turns to the Avengers for help when Hydra and AIM battle over control of the Cosmic Cube.

May 29, 2011

When Ultron-5 goes out of control and kidnaps Wasp, things go crazy when the droid kills Thor with his lasers.

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.

June 12, 2011

The Masters of Evil take over Earth and Loki double crosses Baron Zemo.

June 19, 2011

Separated across the mythological realms, the Avengers face new threats and make allies for the fight against Loki.

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.