Transformers Generations Titans Return Titan Class Fortress MaximusThe Transformers battle explodes into uncharted territory when the Titans Return! To control an ancient race of giant, city sized warriors the Titans the Autobots and Decepticons must power up with Titan Masters, smaller bots that give bigger bots increased abilities. Join the battle with Transformers Generations Titans Returns figures. Fortress Maximus is the ultimate weapon. In his alt mode, he is a city, a headquarters the Autobots can use as a