Guest Stars James Arnold Taylor voices The Leader James Mathis III voices Ronan Travis Willingham voices Thor Drake Bell voices Spider-Man Adrian Pasdar voices Iron Man Will Friedle voices Star-Lord Fred Tatasciore voices Herb Roger Craig Smith voices Captain America Fred Tatasciore voices Ghost Rider Clancy Brown voices Black Bolt Clancy Brown voices Kree Supreme Intelligence Seth Green voices Planet A-Bomb James Mathis III voices PA Voice Ben Diskin voices Robot Voice