2. Edgar Wright
Edgar Wright parting ways with Marvel over creative differences on Ant-Man very nearly turned the studio's loyal fanbase against them last year. Everyone knows that Kevin Feige and company keep a very close eye on their movies whether the filmmaker's at the helm likes it or not, but that proved to be too much for a man used to making indie flicks. Marvel asked Wright to make changes to his screenplay to better incorporate Ant-Man into the Marvel Cinematic Universe. Unhappy with those alterations, the studio then turned the script over to a couple of in house writers, a decision which incensed the British director and led to him deciding to leave the movie he had been attached to for well over eight years.