There has been recent speculation of Mass Effect 3 to include some sort of multiplayer aspect to the game. Well today, Casey Hudson and Bioware make tweets confirming that multiplayer Co-Op missions will be coming to Mass Effect 3.
“Yes, co-op MP missions for #ME3: they’re real, and they’re spectacular. Rest assured it’s nothing of what you’ve feared. More soon…” – @CaseyDHudson
“There will be a multiplayer component for #ME3. Full details soon, so wait until then before making your decision. We think you’ll like it!” – @bioware
We will keep you updated with further details when they surface.