When you are dealing with approximately two-plus hours every few years to do a story, you don't have the luxury of having excessive screen time to explore, in detail and in-depth, lots of other subsidiary or ancillary supporting characters.

I think it's one thing if you are turning out dozens or even a hundred stories a year, you've got to have a great supporting cast behind you. Superman had a family that developed, and it's only natural that Batman has a family of sorts that developed. I think it's a great way to keep the comics interesting and varied, to appeal to different segments of an audience, to bring new perspectives to it.

There have been so many interpretations of both Batman and the Joker in the comic books themselves over the decades, from one extreme to the next, and in the media, from one extreme to the next.

If you talk about genres - I don't care if you're talking about war, Westerns, science fiction, horror, fantasy, humor, romance - anything you can find, strolling the aisles of a Borders or a Barnes & Noble, I can bring you many comic books representing each genre.

I have great admiration and respect for the editors, writers, and artists of the comic books. They're turning out, I don't know, maybe 100 Batman stories a year, and the character turns 70 years old in May. It's incredible: for 70 years, on a weekly basis, every Wednesday, there is some Batman story coming out, if not a bunch of Batman stories coming out.

To keep the readers interested, and coming back, and to keep coming up with new and exciting ways to present stories and to present the character in a reflection of the times, is an absolutely incredible accomplishment. Hats off to all these people who have done such incredible creative work and still do every week.

I think every filmmaker makes different choices. I remember in the early days, in some of the early comic book movies, certain white dissolves were used that would try to emulate the look and feel of comic book panel borders. Sometimes they would frame shots in panels or circles that gave it a real comic book feel.