The best comic book to movie adaptations I have seen are Blade, and sincity. Sincity works better as a comic, blade was just a lot of fun. The hellboy film was degrading to the series in my opinion (being a huge fan of mignola's work), hellboy was portrayed as a dumb, boyish, out of control youth who wasn't likable or interesting which is just totally contrary to the spirit of the character. It was on par with the Constantine movie, inspired by hellblazer but not a hellblazer film, to me it is the same with hellboy. I am some what of a pureist.