The rumors were true. M. Night Shyamalan has confirmed not only is the 2016 movie, "Split," a sequel to 2000's "Unbreakable," but they're part of a trilogy.
Shyamalan confirmed he's working on a third movie, "Glass," which will hit theaters on January 18th, 2019. Bruce Willis, Samuel L. Jackson, and James McAvoy are set to reprise their respective roles in "Glass."