User blog comment:Matt Seay/Paul Rudd in Ant-Man/@comment-4651179-20140819224051/@comment-4140661-20140819233118

He wanted the movie to stand apart form the Cinematic Universe but Marvel want it to be in the Cinematic Universe so he left and cited creative differences as his leaving. I do hope this will be great. It is about time we get an Ant-Man movie.