The "Alien" franchise has gotten much bigger in the last decade, so here's what to know about when "Alien: Earth" takes place ...

The concept of Aliens vs. Predator was first proposed in a Dark Horse comic book from 1989 that combined the two franchises, followed by the brief appearance of a Xenomorph skull in 1990's Predator 2.

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The Xenomorph Queen in Alien vs. Predator (2004). (Image credit: 20th Century Fox) ...

Predator and Alien are set to have a crossover moment in the upcoming Predator: Badlands movie, but could there also be a Xenomorph link in Predator: Killer of Killers? Fans think so.