Re: Which X-Man has received the least development in the films?
As much as I'd love to put all the blame on Ratner, Singer was the one who first discarded Cyclops in X2. The guy was out of the picture for over half the movie. He had some great scenes early on and at the end, but the Wolverine/Jean relationship just took over everything.
That's why X-Men will always be my favorite. Even though Wolverine is obviously the central character, Jean, Cyclops, and Wolverine all have pretty equal importance to the team.