DC Comics' relationship with World of Warcraft creators Blizzard appears to be growing, if one of the giveaways from this weekend's Blizzard Worldwide Invitational is anything to judge by - Part of the substantial goodie bag was a preview of a comic based on their Starcraft sci-fi game, courtesy of Annihilation: Conquest 's Keith Giffen and 52 's Shawn Moll. [Blizzplanet ]