User blog comment:TheUnknown285/Bioware releases teaser trailer of Mass Effect 4/@comment-11209678-20140610002601/@comment-4452849-20140612201127

You want villains with complex plans, ideals, and origins? That's all good. Although it's going to be difficult to see how such villains are made. Considering the top brass may haven't picked an in-universe time yet, if they ever will.