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 Jennifer Hale voices Friday David Kaye voices Vision Jim Meskimen voices Ultron Clancy Brown voices Red Hulk Jennifer Hale voices Songbird William Salyers voices Truman Marsh Fred Tatasciore voices Black Bolt Catherine Taber voices Medusa Roger Craig Smith voices Guardbot