If you were expecting Mass Effect’s Reapers to hold off their invasion until November, you were gravely mistaken. BioWare officially announced Mass Effect 2’s long-hinted-at Arrival DLC this morning:

In Mass Effect: Arrival, Commander Shepard is sent to the edge of the galaxy to rescue an undercover operative who may have evidence of an imminent Reaper invasion that has been looming since the very beginning of the series.

It’s been confirmed that Lance Henriksen will be returning in Arrival to voice Admiral Hackett. That’s awesome!

Taken alongside the announcement trailer that depicts a full-scale Reaper assault on London, this might mean that Mass Effect 3 kicks off with the Reaper invasion. Arrival lands on the 360, PC, and PS3 on March 29th.

In lieu of teaser screens (head over to joystiq for those), here is a picture of Dr. Chakwas: