The ability to "opt in for a chance to participate" currently appears on both the European and North American account pages for subscribers, as spotted by fan website World of War. There will be no need to sprain your fingers in a rush to enter, as the selection of participants will be random.
As previously revealed, the forthcoming expansion will include the MMO's first Hero class, the Death Knight, which players will be able to create once their characters reach level 55. Lich King also offers a slew of new abilities and items to aid players in raids and new areas.
BAWWWW and they they denied the rumors that this was gonna happen today 2 days ago.
Actually, they said "no plans have been announced at this time".