Alien, Predator, and Alien vs. Predator were a series of sci-fi horror movies that had some connections. Alien and Predator were classic sci-fi horror movies that depicted the existence and threat of extraterrestrial life. Alien first appeared in the movie of the same name in 1979, while Predator first appeared in the movie of the same name in 1982. Alien and Predator were based on novels and comics, so there were some derivative works in the movie. Alien vs. Predator was one of the three movies in the series, which consisted of four movies. This series tells the story of the war between two alien lifeforms. The Alien and the Predator are both one of the most powerful alien lifeforms in the universe. Alien, Predator, and Alien vs. Predator were made up of three movies: Alien (1979) Predator (1982) Aliens vs. Predators (1996)