Jeffrey Wright The Watcher Voice Chris Hemsworth Thor Voice Natalie Portman Jane Foster Voice Tom Hiddleston Loki Voice Kat Dennings Voice Samuel L. Jackson Nick Fury Voice Jeff Goldblum Voice Cobie Smulders Voice Clark Gregg Phil Coulson Voice Frank Grillo Crossbones Voice Taika Waititi Korg Voice Karen Gillan Nebula Voice Jaimie Alexander Voice Seth Green Voice Alexandra Daniels Voice Rachel House Voice Bryan Andrews Director, Executive Producer A.C. Bradley Writer, Executive Producer Kevin Feige Executive Producer Victoria Alonso Executive Producer Louis D'Esposito Executive Producer Brad Winderbaum Executive Producer