The Avengers: Earth's Mightiest Heroes - S1 E1

2. Breakout (2)

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.

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.

4. Thor the Mighty

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

5. Hulk Versus the World

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

6. Meet Captain America

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

7. The Man in the Ant Hill

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

8. Some Assembly Required

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

9. Living Legend

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.

10. Everything Is Wonderful

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.

11. Panther's Quest

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.

12. Gamma World (1)

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.

13. Gamma World (2)

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.

14. Masters of Evil

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.

15. 459

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

16. Widow's Sting

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.

17. The Man Who Stole Tomorrow

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

18. Come the Conqueror

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.

19. The Kang Dynasty

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

20. The Casket of Ancient Winters

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

21. Hail Hydra!

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

22. Ultron-5

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

23. The Ultron Imperative

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.

24. This Hostage Earth

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

25. The Fall of Asgard

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

26. A Day Unlike Any Other

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