Air date: 2012-04-01

Runtime: 25 min

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

Air date: 2012-04-08

Runtime: 25 min

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

Air date: 2012-04-15

Runtime: 26 min

The Enchantress is on a vindictive hunt for Baron von Zemo and he appeals to the Avengers for help against her.

Air date: 2012-04-22

Runtime: 26 min

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.

Air date: 2012-04-29

Runtime: 25 min

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.

Air date: 2012-05-06

Runtime: 25 min

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

Air date: 2012-05-13

Runtime: 26 min

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

Air date: 2012-05-20

Runtime: 25 min

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

Air date: 2012-06-24

Runtime: 25 min

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

Air date: 2012-07-01

Runtime: 26 min

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

Air date: 2012-07-08

Runtime: 26 min

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

Air date: 2012-07-15

Runtime: 26 min

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

Air date: 2012-07-22

Runtime: 26 min

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.

Air date: 2012-07-29

Runtime: 26 min

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.

Air date: 2012-08-05

Runtime: 26 min

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.

Air date: 2012-08-12

Runtime: 25 min

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

Air date: 2012-08-19

Runtime: 25 min

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

Air date: 2012-09-09

Runtime: 25 min

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

Air date: 2012-09-16

Runtime: 25 min

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

Air date: 2012-09-23

Runtime: 25 min

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.

Air date: 2012-09-30

Runtime: 25 min

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.

Air date: 2012-10-07

Runtime: 26 min

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

Air date: 2012-10-14

Runtime: 26 min

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

Air date: 2012-10-21

Runtime: 25 min

As warned, the Kree Empire arrive to threaten Earth.

Air date: 2012-11-04

Runtime: 25 min

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

Air date: 2012-11-11

Runtime: 25 min

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