Filmmaker Christopher Nolan, who has helmed the Dark Knight trilogy, says each of the Batman films helmed by him explores a different genre.

"Batman is a superhero, but based on ideas of guilt, fear, these strong impulses that the character has. Bruce Wayne doesn't have any superpowers other than extraordinary wealth," says Nolan.

The Inception director says,"Batman is just someone who does a lot of push-ups. In that sense, he's very relatable and human. I think that's why I gravitated towards it."

Talking about the treatment of each film in the trilogy, he says "To me, each film is a different genre. They tend to be defined by the villain... We hadn't planned on doing a sequel. So shifting genres and the nature of the antagonist felt the way to take the audience on a journey and tell them something different about Bruce Wayne."