I'm not questioning a story change between mediums - far from it, as I've said before. But Wanted is a superhero story, and "good assassins" play no role in it. Neither a league of assassins nor the word "Wanted" would be actionable. There was no need to pay Millar, unless they thought the title would bring people into the theatre. You imply that wasn't the case for you, so I don't know that they did save any money doing it this way. But it neither offends me nor bothers me ... I use the word "baffle" in a light-hearted way.
Fair enough. At the risk of being crass towards studio executives again, I'd say baffled is my usual reaction towards them.