By: John M Jerva This is somewhat unexpected. It appears that Gerard Butler is set to return as John Garrity for a sequel to his comet killing thriller Greenland which hit last year. The sequel is tentatively titled Greenland: Migration. Deadline broke the news earlier and also states that Morena Baccarin will also be back to reprise her role as Allison Garrity. Per Deadline: In … Continue reading GREENLAND MIGRATION: Gerard Butler is Back for the Sequel to the Comet Killing Thriller!