M Night Shyamalan Unbreakable Trilogy Could've Linked 4th Film
M. Night Shyamalan Wraps Filming On 'Unbreakable' Sequel 'Glass' - Bloody Disgusting
'Glass' movie: M. Night Shyamalan's 'Unbreakable' sequel yields split decision | CNN
Glass trailer: Unbreakable and Split merge into something creepy - Polygon
Glass review round-up: Critics Split on crossover with Unbreakable - Mirror Online
Unbreakable & Split have a somewhat matching movie poster revolving around a broken glass (which happens to be the title for the sequel) : r/MovieDetails
All the Ways Glass Connects to Unbreakable and Split | Time
M. Night Shyamalan Says No to Any 'Glass' Sequels – IndieWire