Guest Stars Charlie Adler voices Dr. Doom Steve Blum voices Abomination Tom Kenny voices Modok Tom Kenny voices Captain America Tara Strong voices Herbie Jim Cummings voices Thanos Dave Boat voices Soul Stone Mark Hamill voices Red Skull Tara Strong voices Toro Jim Cummings voices Human Torch (WWII) Rod Keller voices Bucky Credit Only Fred Stoller voices Molecule Man