Guest Stars Bumper Robinson voices Falcon Laura Bailey voices Black Widow Grant George voices Ant-Man Isaac C. Singleton, Jr. voices Thanos Kari Wahlgren voices Proxima Midnight René Auberjonois voices Ebony Maw David Kaye voices Corvus Glaive Hynden Walch voices Supergiant Kari Wahlgren voices Korbinite Mom Laura Bailey voices Korbinite Child David Kaye voices Alien Guard #2 Fred Tatasciore voices Alien Guard #1 Will Friedle voices Jeter Kan Toon Uncredited David Kaye voices Jarvis