The movie was a huge risk box office wise. Not to mention the uncomicbookiness of the story, but having a near three hour movie with an R rating is a tough sell. An R movie cuts your audience. You'd need a much shorter movie to increase the number of showings you can have to boost your take.
whomod said: I generally don't like it when people decide to play by the rules against people who don't play by the rules. It tends to put you immediately at a disadvantage and IMO is a sign of true weakness. This is true both in politics and on the internet."