BEGIN SLIDESHOW The LEGO Marvel Super Heroes Hulkbuster: Ultron Edition! LEGO today revealed the LEGO Marvel Super Heroes Hulkbuster: Ultron Edition! The Hulkbuster features a punching jackhammer arm and LEGO light brick in the chest, and you can display it on the platform with attachable robotic construction arms. The highly-detailed LEGO brick version of the Hulkbuster mech features a rotating torso, posable fingers, arms, legs and feet, and glow-in-the-dark elements.