The Avengers will put all of their powers to the test as they assemble to take on their greatest enemy: Ultron! Obsessed with mechanical perfection, Ultron will stop at nothing to control the world! Can the Avengers defeat him and save humanity? Enter the battle with Titan Hero Tech Ultron! Titan Hero Tech figures come packed with Super Hero sounds and phrases! Plus, Titan Hero Tech figures work with Interactive Hulk Buster (sold separately). Interactive Hulk Buster recognizes and reacts to Titan Hero Tech figures, speaking unique phrases to each one! Copyright 2015 Marvel. Hasbro and all related terms are trademarks of Hasbro.