I like Jennifer Hale and it wouldn't be some horrible travesty if they did shoehorn Shepard in 4, but (my, obviously) Shepard died to become the Reaper's Jiminy Cricket or something. I was fine with that. I don't know that we need to re-revive him or her.
"Remember when you were stalking Charles Kuralt because you thought he dug up your garden?"
"Well, something did!"