The Avengers: Earth's Mightiest Heroes (2010)

1. The Private War of Doctor Doom

2012-04-01

While playing host to the Fantastic Four at Avengers Mansion, the Avengers find themselves under attack by Doctor Doom's forces.

2. Alone Against A.I.M.

2012-04-08

Seeking revenge against Tony Stark, the leader of AIM seizes control of Stark Enterprises' corporate tower.

4. Welcome to the Kree Empire

2012-04-22

Ronan the Accuser of the Kree Empire arrives at Earth with Captain Mar-Vel in tow to pass judgment on whether the planet should be annexed or destroyed.

5. To Steal an Ant-Man

2012-04-29

When Henry Pym discovers that his Ant-Man equipment has been stolen and being used by a criminal, he hires Heroes for Hire to recover it.

6. Michael Korvac

2012-05-06

The Avengers receive a man who appears to have been experimented on by aliens, and now hunted by another extraterrestrial group.

7. Who Do You Trust?

2012-05-13

Iron Man learns from Nick Fury that the Avengers has been infiltrated by a Skrull impostor and the team turns against each other.

8. The Ballad of Beta Ray Bill

2012-05-20

Thor meets an alien trespasser whose hostility and monstrous appearance belie his unexpected worthiness to wield his hammer, Mjolnir.

9. Nightmare in Red

2012-06-24

SHIELD is apparently attacked by the Hulk, but Banner is accounted for elsewhere at the same time while this Hulk is red in color.

10. Prisoner of War

2012-07-01

The real Captain America and his fellow prisoners attempt to escape their Skrull prison.

11. Infiltration

2012-07-08

A Skrull team posing as The Avengers invades Wakanda with only Ms. Marvel able to help the Black Panther.

12. Secret Invasion

2012-07-15

The Skrull Empire initiates their seizure of Earth and the Avengers are hard pressed to thwart it.

13. Along Came a Spider…

2012-07-22

With Captain America's reputation now in tatters, the superhero and the similarly maligned Spider-Man find themselves trying to thwart a prisoner transport interception.

14. Behold… The Vision

2012-07-29

Captain America and friends travel to Wakanda to repair his shield, unaware that a powerful android is hunting them to capture it among other objectives.

15. Powerless

2012-08-05

The Enchantress offers Loki a chance to exact his revenge on Thor and the Avengers for thwarting his conquest of the Nine Realms, and uses a spell to strip Thor, Captain America, and Iron Man of their powers. Now, the helpless heroes must defeat Loki - his soul now in command of a powerful Asgardian weapon known as the Destroyer - without their abilities.

16. Assault on 42

2012-08-12

When an Avenger group visits SHIELD's special prison in the Negative Zone, they soon find themselves under siege by a mysterious enemy.

17. Ultron Unlimited

2012-08-19

Ultron orders the Vision to lead his android impersonators of the Avengers in capturing the originals.

18. Yellowjacket

2012-09-09

When Henry Pym is apparently killed, a new vigilante using equipment broadly similar to the scientist's is discovered attacking criminals.

19. Emperor Stark

2012-09-16

After a month of being dormant for repairs, The Vision finds the world under the control of Tony Stark.

20. Code Red

2012-09-23

When there is a sudden exposure of a malignant virus around the Avengers mansion, the Secretary of Defense blames the team and lays siege of the headquarters.

21. Winter Soldier

2012-09-30

While dealing with the Red Skull's escape with his Sleeper robots, Captain America also investigates the villain's former henchman who seems disturbingly familiar.

22. The Deadliest Man Alive

2012-10-07

With the Hulk apparently rampaging wild, the Red Hulk comes to the Avengers to request to join.

23. New Avengers

2012-10-14

When the Avengers are apparently killed by Kang the Conqueror, an automatic function created by Tony Stark calls up several allies up as replacements.

24. Operation Galactic Storm

2012-10-21

As warned, the Kree Empire arrive to threaten Earth.

25. Live Kree or Die

2012-11-04

The battle against the Kree Empire continues, with Captain Mar-Vell facing an agonizing moral decision in the conflict.

26. Avengers Assemble

2012-11-11

The Avengers and their allies face the ultimate test when Galactus, the Devourer of Planets comes to consume Earth.