Only problem would be that I'm sure the filmakers would put a mardis gras sequence in and that's another thing that's starting to become old hat.
Been thinking about this, and if they have to, then do it at the beginning, make it serve as the catalyst to the call going to the GB. Ghosts coming out to terrorize the populace during one of the biggest events of the year? Kind of epic. And by consequence, have Ray and Peter in town for a conference on the paranormal where they are on a panel. Could work.