Call of Duty: Black Ops 2's official UK retail launch event will take place at HMV's Oxford Street branch in London.The event will kick off at 10pm next Monday, November 12, with the game going on sale at 12:01am on Tuesday morning.HMV expects up to 1,000 fans to attend on the night, for what it predicts will be the "biggest entertainment launch of 2012".The event will feature developer product signings, multiplayer tournaments with prizes up for grabs, plus a "Zombie bus stop featuring exciting props from the game as well as an in store Zombie invasion". Attendees will also receive "collectible goody bags"HMV's category manager for games, Andy Pinder, said: "This is undoubtedly the games release of the year, which is great news not just for fans but retailers alike as we head into Christmas."While Activision has declined to comment on reports that the Black Ops 2 street date has been broken, Treyarch game design director David Vonderhaar has responded to the growing number of people posting gameplay videos online.