I have been for years thinking of writing a prequel fan fic to the film “An American Werewolf in London” The story is set around the town of East Proctor, and it will explain many things seen in the film (i.e. how the villagers learn about the pentangle, the name of the pub) And how the first werewolf arrives in the town. Would anyone read that?

No. I never really liked that movie and I never bothered watching the sequel either.

Write a prequel to Ghostbusters instead. There's a challenge.