When you enter a movie called "Alien vs. Predator," you expect to see two of sci-fi's greatest monsters duke it out in a no-holds-barred championship match. It's right there in the name, a cinematic ...

15 years ago, gamers and horror fans alike were able to witness the greatest battle between the universe’s deadliest species ...

Don’t expect a straightforward timeline, because continuity is a mess with the Alien and Predator timelines (even if, as in this list, you choose to ignore tie-in comics, novels, and games). Predator: ...