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.
| Actor | Role |
|---|---|
 Giles PantonIron Man/Tony Stark/Crossbones (voice) | Iron Man/Tony Stark/Crossbones (voice) |
 Ian HanlinThor (voice) | Thor (voice) |
 Bill NewtonLoki (voice) | Loki (voice) |
 Michael DaingerfieldCaptain America/Steve Rogers (voice) | Captain America/Steve Rogers (voice) |
 Nicole OliverBlack Widow/Natasha Romanoff (voice) | Black Widow/Natasha Romanoff (voice) |
 Adrian PetriwHawkeye/Clint Barton (voice) | Hawkeye/Clint Barton (voice) |
 James BlightHulk/Bruce Banner (voice) | Hulk/Bruce Banner (voice) |
 Alex BarimaNick Fury (voice) | Nick Fury (voice) |
 Ashleigh BallNebula/Little Girl Becky (voice) | Nebula/Little Girl Becky (voice) |
 Deven MackThanos/Chitauri Soldier Gavin (voice) | Thanos/Chitauri Soldier Gavin (voice) |