Unbreakable (2000) tells the tale of David Dunn (Bruce Willis) who discovers his own super-strength and uses it to thwart an villain from his past.

Split (2017) follows Kevin (James McAvoy) and his 23 personalities which plot the murder of kidnapped girls.

Director M. Night Shyamalan announced via Twitter the creation of a mix between the two movies coming in two years' time.

My new film is the sequel to #Unbreakable AND #Split. It was always my dream to have both films collide in this third film.

— M. Night Shyamalan (@MNightShyamalan) April 26, 2017

Universal Pictures will release #Glass on January 18, 2019 all over the world. How’s that for not keeping a secret!

— M. Night Shyamalan (@MNightShyamalan) April 26, 2017