I think it will only be them two. But according to Wikipedia, Carlito and 2 others are rumored 2 join.
I've been watching wrestling since about 95, and I used to love it. Now, I only record the shows so I can forward all the crap. I normally watch about 45min of Raw and about 20-30min of Smackdown. The wrestlers now have no charisma. I miss the days of the classic Undertaker, The Rock, Stone Cole, Even Diesel and Razor, and off course Bret Hart!
Also, The Showstopper was great, but his age just shows now. Still a great performer, but obviously age has caught up with him.