Curse of the Black Widow (1977)

Storyline:

Curse of the Black Widow (1977) Tony Franciosa plays a detective who's on the trail of a murderer whose mutilated and predominantly male victims are found encased in silken cocoons. He eventually tracks the killer's path to Los Angeles, where he discovers her true identity - a woman who was bitten by black widow spiders as a child, ...but that's only the beginning of the story.