yeah goin on what ghostface said; The whole point of the scream movies is they make fun of typical horror/slasher film clichés. Also if you look at all the horror classics like Halloween, Elm Street, Friday 13th and all the originals, then you'll find that they all have some comedy to them.
Randy: never, ever, ever under any circumstances say, "I'll be right back." Because you won't be back.
Stu: I'm gettin' another beer, you want one?
Randy: Yeah, sure.
Stu: I'll be right back!