Cinematic The second expansion set,  Wrath of the Lich King , was released on November 13th, 2008.  WoW : Cataclysm Cinematic The third expansion set,  Cataclysm , was released on December 7th, 2010.  WoW : Mists of Pandaria The fourth expansion set,  Mists of Pandaria , will be released on September