With an alternate beginning never shown in theaters!
It may be our planet, but it's their war! The deadliest creatures from the scariest sci-fi movies ever made face off for the first time on film. The incredible adventure begins when the discovery of an ancient pyramid buried in Antarctica sends a team of scientists and adventurers to the frozen continent. There, they make an even more terrifying discovery: two alien races engaged in the ultimate battle. Whoever wins...we lose.