Thor; Desmond Pitt's son; Mephisto; Darkoth [Desmond Pitt]; Brenda Barclay; Dr. Doom (flashback; cameo); Fantastic Four [Thing; Human Torch; Mr. Fantastic; Invisible Girl] (flashback; cameo); Nurse Stevens (cameo); Tom Barclay
Synopsis
Mephisto sends Darkoth to kill Donald Blake. Darktoth resists Mephisto long enough to allow Blake to turn into Thor, who helps Darkoth gain his freedom from Mephisto.