Deliberate mistake: At the beginning, Alice turns on the tea kettle and it starts whistling less than a half a minute after it's turned on. It'd take alot longer. (00:10:00)
Friday the 13th Part 2 (1981)
1 deliberate mistake - chronological order
Directed by: Steve Miner
Starring: Adrienne King, Betsy Palmer, Amy Steel, John Furey, Kirsten Baker
Visible crew/equipment: As the camera moves in on the shower curtain when Alice is taking a shower, you can see the shadow of the camera. (00:08:35)
Trivia: Part of the reason Alice (the survivor of the first film) is only on screen during the first scene and is killed off early is because the actress portraying her (Adrienne King) was dealing with a real-life stalker and was trying to limit her acting appearances.
Question: What was that first body in the woods that looked like Muffin? It couldn't have been Muffin because she shows up at the end right?
Answer: It never really says what the body is, but I'd assume it were a rabbit or some other small woodland creature. It can't be Muffin because, like you said, Muffin appears later on.