FAQ for World Of Warcraft IV: Cataclysm.

Did Bungie had involvement with this film?
Yes, Bungie was the one who had written the screenplay, but didn't had interest into directing the sequel. Bungie was half of the filming at the set and also served as executive producer.

Who directed the film?
Although Bungie had first interest into directing the fourth film, Bungie served as director for Halo 3D. Blizzard directed the film, who also directed the film Diablo and Star Craft.

Blizzard said he was a big fan of the first installment in the franchise.

Is this the last World Of Warcraft movie?
No, Bungie said that a fifth installment is very likely and would be released somewhere in 2012 or 2013. Blizzard has interest into directing the fifth installment.

Is this a reboot for the series?
No, this is a sequel to the third film which was confirmed by Bungie and Blizzard.