This time around, Shadowlands pre-orders have different tiers of rewards with different pricings:
December 8 – Normal and Heroic difficulties.Season 1, with a new Mythic Keystone dungeon seasonal affix and a new season of PvP, will start on the same day as the opening of Castle Nathria, which is December 8. *To align with other regions, the Americas will launch slightly ahead of November 24 in local time.