WATCH: Jake Gyllenhaal and Ryan Reynolds Combat Aliens in ‘Life’ Trailer

The first trailer for Life, a thriller starring Jake Gyllenhaal and Ryan Reynolds, will scare the bejesus out of you.

The film has both actors fighting off aliens after they discover that there’s life on Mars after all. The two are part of a six-person crew aboard the International Space Station that gets their hands on the first evidence of extraterrestrial life.

“I’m finally a daddy. It’s gonna be a big custody battle over this one,” Reynolds character says before they all realize that the cells are smarter than they all thought. After nearly attacking the lead scientist, the cell continues to evolve until the alien goes Alien.

Life hits theaters May 24 over Memorial Day weekend. Watch the trailer above!