This issue is a variant of Spider-Woman (Marvel, 1978 series) #32 [Direct]. There exist further variants.
Cover contains photographs of Frankenstein (Boris Karloff), Dracula (Bela Lugosi), Hunchback of Notre Dame (Lon Chaney), Wolf Man (Lon Chaney), and Phantom of the Opera (Lon Chaney).
Story in two parts: "The Fangs of Werewolf By Night" (11 pp.) and "Part 2: The Showdown" (11 pp.)
Letters from Keven Peterson, Mike Lansley, Rand Lee, Kerwin Howdeshell.