The only survivor of the Nostromo, Ripley is discovered in deep sleep half a century later by a salvage ship. When she is taken back to Earth, she learns that a human colony was founded on the same planet where the aliens were first found. After contact with the colony is lost, she finds herself sent back to the planet along with a team of warriors bent on destroying the alien menace forever, and saving any survivors -- if any remain.

Fifty-odd years after Ellen Ripley survived her disastrous ordeal, her escape vessel is recovered after drifting across the galaxy as she slept in cryogenic stasis. Back on earth, nobody believed her story about the Aliens on the planet LV-426. After the Company orders the colony on LV-426 to investigate, however, all communication with the colony is lost. The Company enlists Ripley to aid a team of tough, rugged space marines on a rescue mission to the now partially terraformed planet to find out if there are aliens or survivors. As the mission unfolds, Ripley will be forced to come to grips with her worst nightmare, but even as she does, she finds that the worst is yet to come.

When a meteorite from outer space hits a young California woman named Susan Murphy and turns her into a giant monster, she is taken to a secret government compound where she meets a ragtag group of monsters also rounded up over the years. As a last resort, under the guidance of General W.R. Monger, on a desperate order from The President, the motley crew of Monsters is called into action to combat the aliens and save the world from imminent destruction!

A little town in the hills of Colorado will become the battleground between two of the deadliest extra-terrestrial lifeforms - the Alien and the Predator. When a Predator scout ship crash-lands in the hills outside the town, Alien facehuggers are released in the crash, and an even more evil creature.

After colonist, Ellen Ripley survived her disastrous ordeal. Nobody believed her story about the Aliens being on the planet LV-426. However, approximately 50 years later, the colony on LV-426 was completely destroyed. The government has decided to send Ripley out of cryostasis and to aid a team of tough, rugged space marines into the desolate planet to find out if there are aliens, or survivors. But, what Ripley will begin to realize that her worst nightmare is about to come true.