New single-player content for Mass Effect 3 launches tomorrow, November 27, for Xbox 360, PlayStation 3, and PC. The story centers on Omega ruler Aria T'loak who's out to retake the station from Cerberus control. Mass Effect 3 Omega costs $14.99 or 1200 Microsoft Points.

Electronic Arts said the content is not coming to Wii U. Check out the debut trailer below.