I just recently rewatched LEGEND OF HELLHOUSE and didn't realize just how many of the gags in SCARY MOVIE 2 come from this film.
If you like spoofs, are a fan of HELLHOUSE, and haven't seen SCARY MOVIE 2, check it out and count the references!
Yes Scary Movie 2's entire plot revolved around Legend of Hell House.
PS: If you see it on DVD Scary Movie 2 has a ton of hilarious deleted scenes. Many should have been left in the movie, and most of the stuff in the movie should have been removed. The released version is HORRIBLE. Only Anna Faris and Regina King were able to save their scenes in this one.