I'm a longtime comic book fan and Frank Miller's "The Dark Knight Returns" was an eye-opening example to me of what the comic book medium was capable of. In fact it is still considered by many to be one of the most groundbreaking and influential comic works of all time. Although it wasn't without some shortcomings in my opinion, I greatly enjoyed DC Animation Studios' adaptation of the first half of this story, "Batman: The Dark Knight Returns, Part 1", and have since been waiting in anticipation for Part 2 to be released.