During an archaeological expedition on Bouvetøya Island in Antarctica, a team of archaeologists and other scientists find themselves caught up in a battle between the two legends. Soon, the team realize that only one species can win.
A Predator ship leaves Earth carrying Alien facehuggers, and the dead body of Scar, the Predator that helped Lex defeat the Xenomorph Queen. A chestburster with traits of both species erupts from Scar's body. It quickly matures into an adult Alien and starts killing the Predators on board. A Predator's weapon punctures the hull and the ship crashes in the forest outside of Gunnison, Colorado, killing all but one of the Predators, who's severely injured.