Guest Stars Bumper Robinson voices Falcon Laura Bailey voices Black Widow James Mathis III voices T'Challa / Black Panther Grant George voices Ant-Man Kathreen Khavari voices Kamala Khan / Ms. Marvel Grey DeLisle Griffin voices Carol Danvers / Captain Marvel David Kaye voices Vision Jim Meskimen voices Ultron Clancy Brown voices Red Hulk Liam O'Brien voices Doctor Strange Fred Tatasciore voices Black Bolt Erica Luttrell voices Aneka Laura Bailey voices Little Girl Roger Craig Smith voices Boy