The premise for this one is to expand on the idea of my Fantastic Foursome drabble. Basically, the evil Dr. Doom kidnaps Dawn in order to coerce the Scoobies (Buffy, Xander, Willow, Giles) to go into the past and retrieve the treasures of Captain Jack Sparrow (Jack's special compass and the heart of Davy Jones) for him.
Doom's tactic should be successful in getting the four to go to the past, and much piratey goodness should ensue. Feel free to vary how the kidnapping goes, which version of Doom this is, what version/timelines of the Scoobies themselves (i.e., is Xander somehow empow...