Sammy Studios has unveiled two new characters and a weapon from its upcoming Xbox Live Kung-Fu brawler, Iron Phoenix. The first ever 16-player online fighting game, "Iron Phoenix" will bring to XBox Live, team combat in massive arenas and a fight system where moves and combos are dictated by weapons. Characters in the game can wield any of the nine ferocious weapons of the Iron Phoenix, each with its own assortment of attacks ranging from melee strikes and long-range assaults to devastating spe…