X-Men: Apocalypse Start Date Revealed

apocalypseX-Men: Apocalypse will begin filming on April 27, according to hair designer/creative consultant Felix Lariviere.

Apparently Nightcrawler was the last piece of the puzzle for now; that's what Lariviere said he had completed just before the tweet:

Bryan Singer will direct X-Men: Apocalypse, starring Sophie Turner, Olivia Munn, Jennifer Lawrence, Rose Byrne, Oscar Isaac, Evan Peters, Michael Fassbender, Nicholas Hoult, James McAvoy and many more.

The film is due in theaters on May 27, 2016.