Loki declares he wants to be an Avenger, so Iron Man decides to make Loki an "Avenger In Training." It's a great plan until Thanos arrives on Earth looking for Loki.
as Iron Man/Tony Stark/Crossbones (voice)
as Thor (voice)
as Loki (voice)
as Captain America/Steve Rogers (voice)
as Black Widow/Natasha Romanoff (voice)
as Hawkeye/Clint Barton (voice)
as Hulk/Bruce Banner (voice)
as Nick Fury (voice)
as Nebula/Little Girl Becky (voice)
as Thanos/Chitauri Soldier Gavin (voice)