First question: are we thinking the heroes are "hard-coded", i.e. it'll always be Garrosh that's the Warrior? And who are the heroes as I don't recognize a couple?
Warrior: Garrosh
Shaman: Thrall
Rogue: ?
Paladin: Tirion?
Hunter: ?
Druid: Malfurion
Warlock: Guldan
Mage: Jaina
Priest: Anduin