Wanted on there twice.
Also, not everyone counts Mangas as comics. I don't because almost everything from Japan starts as a Manga and thus you'd have an endless list that doesn't even touch US comics.
Anyways, my favorite comic movies are currently Ironman, Batman Begins, and TMNT (any of the 4). Any others I can think of aren't technically comic book movies.
EDIT: Add Men in Black to my list. Always forget that was based on a comic