I think that Superman is the pinnacle of the DC Universe. Our feeling always was that you need to get Superman right. That was also our goal. We didn't want to ignore that this universe exists.

Chicago's such a great city because it's got so many different brilliantly architecturally looking buildings, and you can really modify that city.

The story of Kal-El is actually a great story about adoption. He is an alien who has embraced his human side. As much as he loves and honours his heritage, and he needed to know where he came from and discover who he was, he has to decide who he is going to be.

I came from advertising. For me it's about protecting the director's vision. That's always the goal. There's keeping things on budget and on time and dealing with selling the movie so that to me is a focus. But also it's about serving the script. We are genre filmmakers, those are the films we love to make, so my perspective is a little different.

It's rare that I'm working on a movie and that's the case. My goal is the same, ultimately at a certain point you give it to the director and their vision. You're there to support that vision.

I think that I'm a pretty great producer, but the vision behind Batman is Chris Nolan. I'm there to do my best to help execute that vision, and I think I do a really good job, but the vision is Chris Nolan.

At least you used to know 'there's the villain, there's the good guy', but today there are more shades of grey.