Director Bryan Singer is returning to Montreal to shoot X-Men: Apocalypse at Mel's Studios, the same place he shot this year's X-Men: Days of Future Past, where over 40 sets were built.

Principal photography won't begin until April 2015, but the sequel will open their production office next month, with set construction slated to begin in December. X-Men: Days of Future Past generated over $100 million for the local Montreal economy during their shoot last year. Production also took place outside of Mel's Studios, in 40 separate locations throughout the city

While little has been confirmed about the plot of X-Men: Apocalypse, we reported in March that the project will be a 1980s period piece that will serve as more of a direct sequel to X-Men: First Class, primarily focusing on the younger mutants from that film and X-Men: Days of Future Past.

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However, writer-producer Simon Kinberg revealed in May that cast members from the original X-Men trilogy, who were also featured in X-Men: Days of Future Past, may be involved as well.

The end credit scene in X-Men: Days of Future Past featured a young Apocalypse, considered to be the first mutant ever, assembling the pyramids in Egypt with his telepathic powers.

All we know for sure about X-Men: Apocalypse is that Bryan Singer is directing from a script by Simon Kinberg, Dan Harris and Michael Dougherty.