On Sunday night, director M. Night Shyamalan announced that production has officially begun for the movie 'Glass', the sequel to previous films 'Unbreakable'' and 'Split'. In his tweet, Shyamalan said that he's "hoping for the best" with the project, after undergoing an "incredible" week of rehearsals. He then followed that up with a photo of the film's slate the next day. The movie, follows the director's hit film 'Split', which ended up being a surprise sequel to the 2000 Bruce Willis-led picture 'Unbreakable'. Fans can expect to see Willis and 'Split' star James McAvoy in the upcoming movie, along with Samuel Jackson who starred alongside Willis in 'Unbreakable'.