Guest Stars Matt Lanter voices Flash Thompson / Agent Venom Misty Lee voices Aunt May Parker Eric Bauza voices Amadeus Cho / Iron Spider Travis Willingham voices Thor Jeff Bennett voices Collector Jeff Bennett voices Grandmaster James Arnold Taylor voices Leader Robin Atkin Downes voices Annihilus Charlie Adler voices M.O.D.O.K. Credit Only James Mathis III voices Attuma Uncredited Dwight Schultz voices Attuma James Mathis III voices Terrax