TMNT Halloween fun

The turtles go to a Halloween festival in New York. Since they don't look like humans then they decide to go. Also there's a new girl in town who dresses up as Raven (from the Teen Titans) and goes to the festival. Since she is a awesome dancer and catches everyone's attention one of the turtles might fall for her. But then she becomes a person who turned into her true self (which is a vampire) and tries to kill the turtles and their allies.*Scary background music* But the girl might get killed instead. Will this Halloween fun really be that fun? Or will it be... Your worst nightmare...nightmare...nightmare... (I love it when those echoes makes those dramatic effects. Oh did I say that out loud? Oops)