We Tigers wrote...
You guys are going to have aneurysms and strokes like whoa before this is over. Bioware's not going to do much of anything for this until DA2 is out, reviewed, and mostly bought up by early adopters. They won't take the wind out of one franchise for another.
I agree to a point, but at the same time, don't forget that Witch Hunt and Lair of the Shadow Broker were both released the same day, and both were MAJOR DLC additions, wrapping up hanging plot lines from both games. I do think the earliest we'll see news about Arrival is probably mid April, and see it released probably early May, right around the time we'll likely see the second DA2 DLC released.
I also think it's a major stretch to expect some actual major sacrifice regarding Shepard, the team, Earth, whatever, as Bioware is not going to put something that will hugely influence the direction of ME3 into content that a lot of people won't buy.
Have to disagree here, again using Witch Hunt and Lair of the Shadow Broker as proof. LotSB wrapped up left over plot lines concerning Liara from ME2, and helped set up Liara's place as the new SB for ME3. While not a universe-changing event on the surface, it is nontheless a pretty major plot-point of the series.
Witch Hunt did much the same for Morrigan's story. It also blatantly predicts the coming conflict and change in the DA world that the story of DA2 will chronicle.
It could be argued these aren't HUGE changes to the playing field of either franchise, but they're significant enough to act at least in part as a counterpoint to your argument.