Guest Stars Bumper Robinson voices Falcon Laura Bailey voices Black Widow David Kaye voices Jarvis 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 Fred Tatasciore voices Cabbie Kari Wahlgren voices World Leader #2 Troy Baker voices World Leader #3 René Auberjonois voices World Leader #1 Roger Craig Smith voices Boy