Disturbed from his slumber by the rampaging of the Man-Spider, the living vampire, Morbius, enters the fray. An occasional ally to Spider-Man, Morbius realizes that the hero needs help and he might be the one with the knowledge to give it to him. But when Morbius is attacked by a hunting party looking for the Man-Spider, he has to flee the scene and hope that he can find his friend before his mutation into an uncontrollable monster become irreversible!