Superman Inside (TM)
Found this article on IGN Film Force: Superman Returns Set Visit Preview
In it is a bunch of nifty things like this quote from Brandon Routh:
On a day off from filming at the Sydney Museum, Brandon Routh confided that he believes the real strength of the new Superman is on the inside. “He’s got a bigger message. He really wants to change the world but not just by saving things, by being an influence that people can see,” said Routh. “If Superman just saves things, people feel like he can do everything for them and that’s all they get from him. But if he can influence them so they can aspire to be better in their life or different in their life, that’s a great thing. I don’t know if I’ve made that evident in the film, but that’s what I’m working on portraying.” That’s Superman on the inside.
And this:
Oh! And lest we forget, what’s Kevin Spacey’s take on all of this? On his first day of filming the actor tied a Superman doll to his golf cart and screamed through a megaphone, “Kill Superman! I’m coming to get you!”