STXfilms has released the first trailer for the disaster thriller Greenland, and it looks to be a cross between Deep Impact and a straight-up action thriller. Gerard Bulter (who else?) stars as a man who fights to get his estranged wife and young son to safety after a comet that has been broken up begins to impact the Earth, causing an extinction-level event that scientists did not expect for some reason. There’s a great deal of doom and gloom throughout in this trailer, mixed with the action you’d expect from a good old fashioned Gerard Butler …