Namco Bandai have announced that Tekken Tag Tournament 2 will be released during the 2012 holiday season, although no specific date has yet to be revealed. Today during the Spike VGAs a new Tekken Tag Tournament 2 trailer was revealed sporting fighters in combat in a dark room with very Soul Calibur styled colour motion waves following the limbs of the combatants. The video can be seen below and it features a strong focus on the tag element of the game. The trailer concludes with the announcement that the game will be available during the 2012 holiday period, although no date has been revealed as of yet.
Namco Bandai has recently released a demo for the game titled Tekken Tag Tournament 2 Prologue as a part of Tekken Hybrid. You can see our review for it here.