After the tremulous departure by The World's End director Edgar Wright from his long-in-the-works project with Marvel, Ant-Man, the studio pegged Yes Man director Peyton Reed to take over, but remained quiet as to why Wright left.

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In an interview with Empire, Marvel head Kevin Feige explained what happened with Wright and the project he had been working on for nearly eight years.

"We've been with Edgar for eight years. The disappointing thing for me is not being able to make a movie with him, right now; it's just the personal relationship," Feige said. "It was amicable and we sat in a room together and said this isn't working. I just wish I or he had figured that out somewhere in the eight years leading up to it."

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While Feige didn't dive into specifics, he said that this wasn't the first time the studio disagreed with a director on something, but was the first time they disagreed so much that someone had to part from the project.

"I wish it wasn't as late in the day as it was, but it just had become clear that there was an impasse that we had never reached before,' Feige said. "We've worked with lots of unbelievable talented filmmakers like Edgar before, and of course there are disagreements along the way. We had always found a way around it, a way to battle through it and emerge on the other side with a better product."

Feige concluded with an endorsement for new director Reed and the version that he would bring to the screen.

"We're very thick-skinned and we're used to the second-guessing and the colour commentary during the process. We've done what we've always done, which is block it out and make the best movie possible because it always comes down to the end product."

Feige also talked shortly about Doctor Strange, which will be directed by Deliver Us From Evil's Scott Derrickson, and what to expect from the film.

"I wouldn't say just because he has only done horror movies means that Doctor Strange is going to be a horror movie. It means (Derrickson) is a talented filmmaker who we think could add something unique and very fresh to the particular franchise," Feige said. "But there could be scary moments. There are scary moments in all our movies! There are some scary people that Strange has to deal with, I will say."

Ant-Man is set to hit theaters on July 17, 2015 while Doctor Strange is set for July 2016.

Tags: Ant-Man Movies Doctor Strange