Guest Stars
Charlie Adler
voices Dr. Doom
Tom Kenny
voices Captain America
Alimi Ballard
voices Thunderball
Charlie Adler
voices Sabretooth
Kevin Sorbo
voices Ka-Zar
A.J. Buckley
voices Toad
Steve Blum
voices Pteranodon
Steve Blum
voices Zabu
A.J. Buckley
voices Batroc
Travis Willingham
voices Newscaster
Mikey Kelley
voices Young Scientist
Julia Morrison
voices Woman
