Guest Stars Charlie Adler voices Dr. Doom Steve Blum voices Abomination Tom Kenny voices Modok Tom Kenny voices Captain America Stan Lee voices Mayor Jess Harnell voices Odin Ted Biaselli voices Loki Jess Harnell voices Hercules Travis Willingham voices Zeus Steve Blum voices Fin Fang Foom Ted Biaselli voices Gyros Uncredited Tara Strong voices Invisible Woman