Air date: 2010-10-20

Runtime: 26 min

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

Air date: 2010-10-20

Runtime: 26 min

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.

Air date: 2010-10-24

Runtime: 26 min

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.

Air date: 2010-10-24

Runtime: 26 min

After stopping a robbery attempt by the Wrecking Crew, Thor returns to Asgard in order to defeat Loki and the Frost Giants.

Air date: 2010-10-24

Runtime: 26 min

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

Air date: 2010-10-24

Runtime: 26 min

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

Air date: 2010-10-24

Runtime: 26 min

Ant-Man and the Wasp work together to stop Whirlwind. Meanwhile T'Challa's father fights the Man-Ape for control of Wakanda.

Air date: 2010-10-27

Runtime: 26 min

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

Air date: 2010-11-03

Runtime: 26 min

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.

Air date: 2010-11-10

Runtime: 25 min

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.

Air date: 2010-11-17

Runtime: 26 min

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.

Air date: 2010-11-26

Runtime: 26 min

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.

Air date: 2010-11-26

Runtime: 25 min

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.

Air date: 2010-12-05

Runtime: 25 min

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.

Air date: 2010-12-12

Runtime: 25 min

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

Air date: 2010-12-19

Runtime: 25 min

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.

Air date: 2011-01-09

Runtime: 25 min

Kang arrives from the future, claiming he must kill Captain America and conquer the Earth in order to save it from destruction.

Air date: 2011-01-16

Runtime: 25 min

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.

Air date: 2011-01-23

Runtime: 25 min

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

Air date: 2011-05-15

Runtime: 25 min

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

Air date: 2011-05-22

Runtime: 25 min

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

Air date: 2011-05-29

Runtime: 25 min

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

Air date: 2011-06-05

Runtime: 25 min

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.

Air date: 2011-06-12

Runtime: 25 min

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

Air date: 2011-06-19

Runtime: 25 min

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

Air date: 2011-06-26

Runtime: 25 min

Eight of the nine realms of Asgard have fallen, only the Earth remains. The Avengers are all that stands between Loki and total conquest.