Stepmonster

Stepmonster (1993) is a horror, comedy directed by Jeremy Stanford rated 4.5/10.

Todd Dougherty has an imagination driven by comic books. So when he accuses his soon-to-be stepmother of being a monster, no one believes him. When neighbors start turning up dead, it becomes a race against time for Todd to stop this hideous, carnivorous creature from marrying his dad and ruining his life.