The Avengers: Earth's Mightiest HeroesSeason 22012 · 26 episodesEpisodes1The Private War of Doctor DoomWhile playing host to the Fantastic Four at Avengers Mansion, the Avengers find themselves under attack by Doctor Doom's forces.2Alone Against A.I.M.Seeking revenge against Tony Stark, the leader of AIM seizes control of Stark Enterprises' corporate tower.3Acts of VengeanceThe Enchantress is on a vindictive hunt for Baron von Zemo and he appeals to the Avengers for help against her.4Welcome to the Kree EmpireRonan 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.5To Steal an Ant-ManWhen 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.6Michael KorvacThe Avengers receive a man who appears to have been experimented on by aliens, and now hunted by another extraterrestrial group.7Who Do You Trust?Iron Man learns from Nick Fury that the Avengers has been infiltrated by a Skrull impostor and the team turns against each other.8The Ballad of Beta Ray BillThor meets an alien trespasser whose hostility and monstrous appearance belie his unexpected worthiness to wield his hammer, Mjolnir.9Nightmare in RedSHIELD is apparently attacked by the Hulk, but Banner is accounted for elsewhere at the same time while this Hulk is red in color.10Prisoner of WarThe real Captain America and his fellow prisoners attempt to escape their Skrull prison.11InfiltrationA Skrull team posing as The Avengers invades Wakanda with only Ms. Marvel able to help the Black Panther.12Secret InvasionThe Skrull Empire initiates their seizure of Earth and the Avengers are hard pressed to thwart it.13Along Came a Spider…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.14Behold… The VisionCaptain America and friends travel to Wakanda to repair his shield, unaware that a powerful android is hunting them to capture it among other objectives.15PowerlessThe 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.16Assault on 42When an Avenger group visits SHIELD's special prison in the Negative Zone, they soon find themselves under siege by a mysterious enemy.17Ultron UnlimitedUltron orders the Vision to lead his android impersonators of the Avengers in capturing the originals.18YellowjacketWhen Henry Pym is apparently killed, a new vigilante using equipment broadly similar to the scientist's is discovered attacking criminals.19Emperor StarkAfter a month of being dormant for repairs, The Vision finds the world under the control of Tony Stark.20Code RedWhen 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.21Winter SoldierWhile dealing with the Red Skull's escape with his Sleeper robots, Captain America also investigates the villain's former henchman who seems disturbingly familiar.22The Deadliest Man AliveWith the Hulk apparently rampaging wild, the Red Hulk comes to the Avengers to request to join.23New AvengersWhen the Avengers are apparently killed by Kang the Conqueror, an automatic function created by Tony Stark calls up several allies up as replacements.24Operation Galactic StormAs warned, the Kree Empire arrive to threaten Earth.25Live Kree or DieThe battle against the Kree Empire continues, with Captain Mar-Vell facing an agonizing moral decision in the conflict.26Avengers AssembleThe Avengers and their allies face the ultimate test when Galactus, the Devourer of Planets comes to consume Earth.Season 1
