HAL kills all the astronauts except Dave, who shuts HAL down. Then Dave travels beyond the infinite, reaches for the monolith similar to the one at the beginning of the film and becomes the next evolution of man, which explains why the apes at the beginning of the film suddenly knew how to use tools after their experience with the monolith.
Liz is pregnant with Nick's child and she's the only character to survive. Also, the bear used his psychic connections to the spirit world to bring these characters into this scenario so they could confront their issues head on.
Father Merrin dies of a heart attack during the exorcism, and Father Karras slaps Regan allowed so the demon would enter his body, and when the demon does, he jumps out the window to his death in an attempt to kill the demon inside him.
John Coffey is executed. Later, Paul is shown to be over a hundred years old and sees Mr. Jingles is still alive. Paul watches people in his life die one at a time while wondering how much longer he'll be alive.
Professor Quirrell is sharing a body with Lord Voldemort, but because of Lily's loving sacrifice, Harry is able to fend him off and Quirrell dies.
For absolutely no reason, this is a list of films and a spoiler for the films. If there is a film you want on this list, please put it in the comments section below, but keep in mind I still haven't seen a lot of films, and don't want to be spoiled about certain films yet, so it could take a while.
Every Pixar Film
Every Dreamworks Animation Film