31 Days of Spoooktacular: Portrait of a Slasher Movie

The slasher movie is, by far, one of the subgenres of horror that most sticks to a formula. And here is the formula:

Pre-Credits Kill+Character Introduction+Cat Scare*+Minor Character Killed Off+Pointless Drama/Comedic Scene+Secondary Character Killed+Hero(ine) and Killer Meet-Up+Hero(ine) Triumphs+One Last Scare=Slasher Movie

This is, for the most part, how every slasher movie plays out. You have the pre-credit sequence kill, which is either part of the back story or is set in modern day and s...