Writer-director M. Night Shyamalan showed off the new trailer for his comic book thriller Glass at San Diego Comic-Con on Friday. A sequel to Shyamalan’s previous films Unbreakable (2000) and Split (2016), Glass follows superhero security guard David Dunn (Bruce Willis) on the hunt for Kevin Wendell Crumb (James McAvoy), aka The Beast, as Elijah “Mr.