According to Variety's Justin Kroll, Isaac will join the already star-studded cast, which includes Jennifer Lawrence, Michael Fassbender, and James McAvoy.
'X-Men: Apocalypse' is directed and co-written by Bryan Singer, and the movie opens May 27, 2016.
For more on this story, check out Movieweb's report below.
'X-Men: Apocalypse' Casts Oscar Isaac as the Title Villain http://t.co/5QkOF5WRwQ #XMen pic.twitter.com/EZqVCPMmqg
— MovieWeb (@MovieWeb) November 24, 2014