From Freddy's glove in Evil Dead 2 to pretty much everything in Scream, horror movies have a long history of Easter eggs, cameos, and meta-self-reference. And in Andy Muschietti's IT Chapter Two, that spirit is alive and well in a film that's as much a love-letter to IT and Stephen King as it is an epic followup to the 2017 horror movie sensation. The first film had a few book callouts for fans to enjoy, but with his sequel, Muschietti has taken things to the next level. "In every corner, there’s an Easter …