(And if Anne Hathaway, as some have suggested, were to be cast as Vicki in the Depp/DS film, it could feature 2010's #1 and #10 money-makers. But it's not seeming like she will be cast - especially IF the part has already been cast...)
The 3rd installment has just been posted to the "Complete This Phrase / Fill In The Blank(s) - house of Dark Shadows" board and is waiting for a set up: