Tekken Tag Tournament 2 is coming to the consoles in September 2012. It will have the modes from Unlimited, a new mode "Fight Lab" will include tutorials and trials, and more charactershttp://www.siliconera.com/2012/04/11/tekken-tag-tournament-2-coming-to-consoles-in-september-with-even-more-characters/
http://www.levelupyourgame.com/2012/04/11/tekken-tag-2-console-september-2012-fight-lab-and-50-characters/Well according to this the console version will have over 50 characters, and most likely additional stages (Brazil stage hinted), along with the already mentioned Combot's return working like Robo-Ky 2 in Fight Lab.
Violet? Heck, sound like it would be better if they added Violet as a secondary or 3rd outfit rather than a new character.
Considering there's nothing groundbreaking about Lee's moveset changed during these years.