After years of derision for some of his films, M. Night Shyamalan has again received critical and commercial acclaim with Split. Starring James McAvoy and Anya Taylor Joy, the film went on to gross over $274 million worldwide. But the most surprising aspect of the film was revealed before the credits rolled. Bruce Willis’s Unbreakable character David Dunn makes a brief appearance, which sets up the Unbreakable/Split crossover sequel. Shyamalan recently shared the news via his Twitter account: