Frank Miller talks about it (and everything else) in new interviews:
Q. One of the hallmarks of Eisner’s Spirit is that he’s an ordinary guy without superpowers or Batman-like gadgets. The movie gives him a self-healing superpower, like Wolverine or the Hulk. What was the reasoning behind that?
A. Well, I read a lot of Spirit comics when I was growing up, and he seemed to be able to take a cinderblock to the head better than anybody I ever heard of. And I just thought that he took unusual punishment was a fact of the character that should be explored. And it also made for some wonderful Tex Avery kind of scenes early in the movie. (Animation director Avery was famous for the exaggerated action in his 1940s-50s MGM cartoons in particular.) But it also raised the mystery of who he is and ... why he could take so much punishment.
Q. Eisner was perhaps using comic exaggeration rather than saying the Spirit had a superpower. Do you anticipate taking any flak for this from fans?
A. I assume I will get a lot of flak for a lot of things, and frankly, I don’t give a damn.
Q. What else do you think you’ll get flak for?
A. Because he doesn’t have a blue suit, which would have looked silly. That (supporting character and love interest) Ellen Dolan isn’t just a little simpering daughter to somebody; she’s a surgeon. I don’t know what I’ll get flak for - I just do the stuff I do! ... Comics fans are wonderful, sincere people, but they can be a little arch.
Q. What’s with all the cats in the movie? They even had credits.
A. Yes, all my cats got credits.
Q. They’re your cats?
A. I figured anybody who lived in a mausoleum would have two things: a vermin problem and a lot of cats. I just thought that was a detail that Eisner left out, so I put a lot of cats in his place.
What's the big deal about Converse All Stars?
"Isn't it obvious? I mean, what's the big deal about the Pietà? They're beautiful!" responds Miller. "Also, it's always bothered me that superheroes wear dress shoes to run across rooftops, because if I wear dress shoes I can barely make it down a flight of stairs. But, yeah, we all have our trademarks, and Converse boots are one of mine, because they're fun to draw.
"There are certain things you learn as a cartoonist, and one of them is that nothing is really boring. If you actually look at it and figure out how it works, things are stranger than you think, and one of the most interesting things we wear is shoes.
"There's a reason women are obsessed with them. They're complex in their structure, because the foot is complex. Most people think of the foot as being the end of an 'L', whereas in fact the foot is as complicated as the hand and almost as dexterous. Now the headline's going to be 'Foot Fetishist Frank Miller'!"
Q. What were the specific Spirit stories that you incorporated in the movie?
Frank Miller: The specific stories that made the core of this movie were three. One was
Sand Saref, the second one was
Bring In Sand Saref, which is basically a two-parter. And the other one was another story called
Showdown, which was nothing but a bloody fight between The Spirit and The Octopus where it was demonstrated that both of them could withstand inhuman punishment, which led then to figuring out how to justify that. And that’s where the original part of the screenplay takes shape because the relationship between The Octopus and The Spirit is at the heart of the story.
Q. How do you think Will Eisner would have reacted to the film?
Frank Miller: Here’s how I think Will would react to it [mimics Will’s voice]: “You know, Frank, he never picks up a gun, so that’s good; the chicks were great, and I’m going to sell a tonne of books!”
http://www.popmatters.com/pm/article/67257-fast-chat-with-the-spirit-director-frank-miller/
http://www.independent.co.uk/arts-e...ar-tussle-with-the-film-industry-1219724.html
http://www.indielondon.co.uk/Film-Review/the-spirit-frank-miller-interview