Las Noches del Hombre Lobo: 1968
Kin Films (Spain/France)
Color
aka Nights of the Werewolf

Director: Rene Govar
Cast: Paul Naschy, Monique Brainvill

Plot: Hardly a year went by after Count Waldemar Daninsky was killed in La Marca del Hombre Lobo (1967) before he returns again. This time Daninsky (Naschy) is used by a mad scientist to kill his collegues, but instead everyone ends up dying, including Daninsky, again.