User blog comment:Masseffect7/Mass Effect 4 - No Connection to Shepard/@comment-11209678-20131021041417/@comment-11209678-20131022145910

That's an option but I don't think it would be a great decision by Bioware to go with that one. The reason is that the game would feel like little more than a spin-off, which is not what Mass Effect players want because the games of the trilogy were so integrated with each other.