https://www.hollywoodreporter.com/movies/movie-features/jordan-peele-rian-johnson-tony-kushner-thr-writers-roundtable-1235265340/
We’re going to shoot Dumb and Dumber To, and I want you guys to do a found-footage horror comedy on the set. While we’re filming, you guys are going to make a feature-length, behind-the-scenes video that slowly becomes a horror film.” We’re like, “OK, we’re in. This is amazing.” We wrote a whole outline and were really excited. Then we sat down with the producer, we pitched the idea, and they’re like, “We’re not actually going to make this. I’m sorry, Jim got really excited, but there’s no way the studio is going to let us do a movie while they’re shooting Dumb and Dumber To.”