Alien/Predator Universe

Alien.
The Alien film franchise (known as Aliens in most media) is a science fiction horror film series cons isting of four installments, focusing on  Lieutenant   Ellen Ripley  ( Sigourney Weaver ) and her battles with an  extraterrestrial lifeform, commonly referred to as "the  Alien ". Produced by  20th Century Fox, the series started with  Alien  (1979), which led to three movie  sequels , as well as numerous books, comics and video game  spin-offs.

Related to the franchise is the two part Alien vs. Predator series which combines the Aliens with the Predators from the Predator film series. Prometheus, an indirect prequel to Alien released in 2012, is also related.



Predator.
The  Predator film series is a  science fiction  horror  film franchise. Produced by  20th Century Fox, the series started in 1987 with the film  Predator, which led to two sequels and  novel,  comic book and  video game spin-offs. Related to the franchise are the  Alien vs. Predator films, which combine the titular  Predator with  the creatures from the  Alien film series<span style="color:rgb(37,37,37);font-family:sans-serif;line-height:22.3999996185303px;">.