The movie-going public has already assumed a third Christopher Nolan Batman film to be inevitable. But Christopher Nolan himself isn’t nearly so sure.
http://latimesblogs.latimes.com/herocomplex/2008/1…
What’s the story? Is there a story that’s going to keep me emotionally invested for the couple of years that it will take to make another one? That’s the overriding question. On a more superficial level, I have to ask the question: How many good third movies in a franchise can people name?