The deadly Xenomorphs at the center of the Alien franchise have faced an abundance of challenges, including the Yautja race of the Predator franchise, but neither those feared hunters nor humans posed the biggest threat to the Aliens. As illustrated in both Alien vs. Predator andAlien vs.
Predator: Requiem, the war between Aliens and Predators had raged on for thousands of years. Prior to the movies being released, the two species were already entrenched in the confides of interplanetary war
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