Avengers Assemble - Season 2 (2014)

Red Skull has information that could help the Avengers save the world from Thanos, but an intruder kidnaps Skull before they can retrieve it. Cap discovers that the trespasser is none other than his old partner Bucky Barnes, now the Winter Soldier, who's back and seeks revenge.

When Hawkeye and Black Widow stumble upon the Serpent Crown, they must work together to stop Attuma's battalion from destroying Atlantis.

When a mysterious new villain named Nighthawk uses the individualized counter measures Falcon created when he was at S.H.I.E.L.D. to take out the Avengers one by one, he must figure out a way to save his team.

When the Time Stone becomes attached to Tony's arc reactor, it causes him to de-age and brings dangers from other eras, including dinosaurs, into present-day New York City.

Tony thinks that the Avengers are almost perfect. However, the team has to switch minds when M.O.D.O.K. uses the Mind Stone to take control of S.H.I.E.L.D.

In a flipped reality, where superheroes are super villains and vise versa, Iron Man gets a strange vision after battling the Squadron Supreme. He and the "evil" versions of the other Avengers discover that the Squadron Supreme have the Reality Infinity Gem, and have used it to change the world in their image.

Thor is called into returning to Asgard as a guest to Asgard's Hall of Learning for the Learning Games as Hulk and Hawkeye follow him. The visions of Loki lure Thor, Hulk, and Hawkeye into the chambers of the Learning Games where failure is a one-way portal to Valhalla. Meanwhile, earthquakes occur on Earth as the result of Earth and Asgard being pulled towards each other by the Space Infinity Gem which is in Loki's possession.

Stranded in a dangerous realm where his tech doesn't work, Falcon must prove to himself and Hawkeye that he is still a hero, even without all his technology.

Black Widow and Thor work to carry out Black Widow's plan to rid the Earth of the Infinity Gems upon Black Widow having a vision of Tony Stark using the Infinity Gems to become Emperor Stark and to dispose of them before Thanos returns to Earth. After an attempt to hide them in Asgard fails due to Black Widow's vision of Heimdall ruling Asgard, Black Widow and Thor are attacked by the Guardians of the Galaxy until the Avengers come to their aid. Afterwards, the Avengers are warned by Doctor Strange about the effects that the Infinity Gems are having on reality as ...

With the power and might of all five Infinity Stones finally in his gauntlet, Thanos plans to wield his power over the Universe while the Avengers make a desperate attempt to stop him. The team is able to rebuild Arsenal and defeat Thanos, but unfortunately, Arsenal gets possessed by the villainous mechanical maniac, Ultron, who uses the little machine's absorbing powers to take the power of the Infinity Gauntlet for himself!!.

Iron Man works to find Ultron as he controls technology from Hammer Industries and A.I.M. to attack the Avengers. In order to free Arsenal from Ultron's control, Iron Man works on a destroyer malware in order to deactivate Ultron.

An even more powerful Ultron resurfaces and takes control of Avengers Tower and Iron Man's Hall of Armors, leading to the destruction of the Avengers as we know them.

With the team divided and the Avengers Tower wiped out, Tony seeks help from Ant-Man. Learning he's busy fighting MODOK, Tony's team joins Ant-Man to stop the Pym Particle thief.

Working for S.H.I.E.L.D. isn't everything Captain America's team had hoped when they're expected to unquestionably follow orders involving the Crimson Dynamo and The Winter Guard.

The Avengers reunite when Captain America and Iron Man learn to appreciate their differences.

When Ant-Man joins the Avengers, Hawkeye resigns and trains his replacement on Monster Island - unaware that Red Skull is nearby planning to cloak himself using Doramammu's powers!

The Squadron Supreme's fastest member Speed Demon is on the loose and wreaking havoc throughout Avengers Tower. Hulk must save the day by fighting the high velocity villain. Meanwhile, the other Avengers face off against Hyperion.

New Avenger, Ant-Man, begins to atone by bringing his former allies to justice. His quest for redemption leads the team to an epic battle with Squadron Supreme's Dr. Spectrum.

Thor is convinced that Zarda wants to defect from Squadron Supreme, but Hulk knows better and must protect Thor from Zarda's duplicitous ways.

Falcon tries to prove he can be a leader when the Squadron Supreme enacts their end game and kidnaps Captain America and Tony. Things become even more difficult when the Avengers discover the Squadron Supreme's last few plots were all part of an even bigger plan to revive their previously unknown sixth member named Nuke.

Unbeknownst to the Squadron and the rest of the world, the Avengers are in hiding and working on a plan to save the planet and stop the Squadron Supreme once and for all!

When an alien race begs the Avengers to save them from mysterious invaders, the team discovers that a recently-escaped Thanos and his Black Order are plundering the planet. Meanwhile, Tony seeks new challenges for the team.

When Thanos attacks Earth, planning to finally take over the planet by destroying the Avengers, the team discovers they are more than eight heroes - they are an ideal.