Heroes of Warcraft, Blizzard's next title?

By complaining to claim a domain name, it would Blizzard give some clues about the future Warcraft?

While World of Warcraft has just celebrated its eighth candle of existence, Blizzard just complain to retrieve the domain name HeroesofWarcraft.com belonging to a certain Simon Rattray, resident in the United Kingdom.
This case, which was probably remained in total secrecy , was unveiled on the internet sphere. Of course, many rumors and speculation ensued, claiming Heroes of Warcraft Warcraft IV would actually. A serious hypothesis when we know that Warcraft III was the code name before being announced.
The studio has also acquired the domain names and HeroesofWarcraft.co.uk WarcraftBattles.com. Is it therefore a future episode of the saga Warcraft, a new extension of WOW project Community or multimedia? Unfortunately for us mere mortals, only Blizzard has the answer.