From the director of 300, comes DC Comics' tale of a group of misfit heroes, Watchmen. I'm not exactly sure of the story, as I finally got my hands on the book just a few weeks ago, and have yet to find time to read it. The novel itself was written by Alan Moore, who also wrote V for Vendetta, the graphic novel, not the movie.
If you want to catch this on the big screen, you can see it before normal screening of The Dark Knight. And yes, that's The Smashing Pumpkins in the background.