What is the next expansion to World of Warcraft called

First expansion: Burning CrusadeSecond expansion: Wraith of the Lich KingThird expansion: Emerald dream or something like that from what I've seen and heard
This is all i know right now.
Jamenramend lvl 30 warriorArchimondeAzeroth
WORLD OF WARCRAFT FTW ALLDAY!?!?!?!?!?!?!?!?!?!?!?!?!?!?!?!?!?!?!?!?!?!?!?!?!?!?!?!?!?!?!?!?!!!?!??!?!?!?!?!?!?!?!?!?!!?!?!?!?!?