The worst thing a sequel can do, in my opinion, is make the original film worse. If a sequel sucks, fine. They usually do. But if it retroactively goes back in time and skull-fucks the source material it derives from, then it really pisses me off. The worst (that is to say, most glaring) example I can think of this is Alien 3. Aliens is the greatest sci-fi actioner ever made. Like all great ac ...