At last, someone has finally found something useful for the much despised Thresher Maw to do other than spit acid on our exploring Mako.
Check out this frenetic trailer in which Shepherd and friends charge down a Reaper, only to be helped out by one of the constant villains of the series - the destructive Thresher Maw.
If you thought you couldn't get more excited about the upcoming release of Mass Effect 3 then watch this and think again.