"You know, that Harry Potter dance has gone on a long time," he told us. "The problem is that it is a living breathing thing now, all by itself. When it comes over to my camp, it needs to be kind of handed over, adoption papers and everything. That's a tricky move.

"I haven't met with J.K. [Rowling]," he continued. "The first one was offered to me, but that conflicted with 'Unbreakable,' which was unfortunate. I would definitely, but I think probably before that I would adapt a book. I've gotten close a few times to adapting books."