Popcorn (1991)

Popcorn (1991) 

A "Leatherface" type murderer who wears other people's faces, kills at an all-night horrorthon at an old theatre put on by a bunch of film students. Maggie, the lead character, believes it's really Lanyard Gates, a crazed film maker who killed his family live on stage, fifteen years ago. And now he's back to kill his daughter, Sara, who is believed to be really Maggie. (IMDB Jason Mechalek)