The last seven episodes from the first season of the animated series following a team of superheroes as they battle against some of the deadliest villains in the known universe. Iron Man, Thor, Captain America, the Hulk, Ant-Man, the Wasp, Hawkeye and the Black Panther unite to defeat various enemies, including Loki and The Masters of Evil. The episodes are: 'The Casket of Ancient Winters', 'Hail, Hydra!', 'Ultron-5', 'The Ultron Imperative', 'This Hostage Earth', 'The Fall of Asgard' and 'A Day Unlike Any Other'.