In films of terror, it's often not about being graphic. Or if there is a graphic image, it's extremely swift. Everyone talks about the shower scene in 'Psycho,' but that's the only graphic scene in the entire film.

There is an expectation with a superhero film that there is spectacle and action but there also has to be heart. Striking that balance is really important.

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

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.

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'd been a Superman fan since the time I was a little kid. We had great respect for the Donner movie, and Superman II with Terence Stamp as Zod but I felt it was time to bring the character into the 21st century.

For a long time, the film business was a single-digit business on investment return. Now, because of home video, it's a low double-digit business, and the studios want to make sure it doesn't go back into the single-digit business.