A cloud of smoke heralds the sudden appearance of one of Spider-Man's arch-foes -- Mysterio! A former stunt man and special effects wizard who turned his knowledge of the art of creating illusion to the service of crime, this villainous mastermind employs an arsenal of ingenious devices against Spider-Man. Chief among these is a special spray which can dissolve Spider's webbing in an instant, leaving him open to attack. Surely, the domed helmet of Mysterio must conceal the true face of evil!