I'd imagine he'd have a limited schedule. They tried to market him as a monster,l then he split. He'll have to pay dues. He didn't become the star Brock did. I would like to see Skip(Ryback) eventually fight someone like Lashley. If Ryback beats Lashley as his first real challenge, it would't have that much of an impact, because Bobby didn't do anything hype worthy in MMA.
I doubt WWE would even hint on anything from his TNA run in a storyline. "The Boss" Bobby Lashley had the point of doom. Other than that, his wife was just plain annoying as a mouth piece.