Blizzplanet has just updated a small news post about the MoP launch event, where Chris Metzen took questions from fans about the game.
He confirmed that Turalyon and Alleria Windrunner will return in the next expansion of World of Warcraft.
The implications to this are huge. It probably means we will deal with the
Burning Legion one way or another in the next expansion, which supports the theory sparked by the Orgrimmar raid. It also means lots and lots of Sin'dorei lore due to the return of one of the Windrunner sisters, so blood elves and forsaken - rejoice!
Most of all, it means that the Alliance will get back the hero from the Second War who at this point is probably the
greatest hero of the Alliance and the best card they have in their deck.
I cannot be sure yet because I missed the stream, but I think it may have been my twitter question he responded to, so I'm feeling mighty happy right now. If you saw it and can confirm or deny that he responded to a twitter question, please do share.
Anyway.
FOR LOTHAR!!!
Source