Gerard Butler aims to build a better world — one not just worth living in, but living for — in the final trailer for Greenland 2: Migration.

Set five years after the events of the 2020 disaster movie, the post-apocalyptic sequel opens in theaters this Friday, January 9, via Lionsgate and STX Films.

In the aftermath of a comet strike that decimated most of the Earth, the Garrity family are forced to leave the safety of their bunker in Greenland to traverse a shattered world in search of a new home.

Butler, Morena Baccarin, and Roger...