User blog comment:LilyheartsLightning/November 7th — N7 Day/@comment-1958269-20120928165756/@comment-1958269-20120928170348

They've usually been alternating SP with MP content, but I think that Earth was initially intended to be the last MP pack. So Omega will likely be next up.I think the new ME game will be kept under wraps for at least six more months, though. They're probably still in the early planning stages with it.