[Sweetcurse]

My husband is trying to remember the title of a movie. He remembers it was in Spanish, probably Mexican. Besides language, these are the thing he remembers about the film:
It seemed to be short stories / vignettes.
One of the longer stories revolved around people going into a movie theater. Being interviewed somehow before going into the theater and individually led to sit down. Once sitting just enough time to realize everyone else sitting is already dead, then they got killed from behind. Until the theater was full of dead bodies.
Caveat his memory may be hazy about details.

Any help of getting to the title of this film(s) would be greatly appreciated.