The 2017 adaptation of Stephen King's "IT" by Andy Muschietti was a genuine cultural phenomenon, re-invigorating interest in King's work and paving the way for a sequel in 2019. The two films were both wildly successful at the box office, and King himself even joined the fun with a cameo in "Chapter Two." But it wasn't just a Stan Lee-style "blink and you'll miss it" Easter egg cameo, with King popping up and saying a single line. King has a proper scene, and it's more meaningful than you might think. Here's why Stephen King had the perfect cameo in "IT Chapter Two."