Tony Stark's Hulkbuster armor shines in Avengers: Age of Ultron now available on Blu-ray from Walt Disney Studios Home Entertainment.
Robert Downey Jr. returns as Tony Stark in Marvel's "Avengers: Age Of Ultron," which opens May 1. (Marvel)
** FILE ** Robert Downey Jr. stars as billionaire industrialist Tony Stark in Iron Man in the Marvel movie franchise. (Associated Press)
Robert Downey Jr., left, as Tony Stark/Iron Man and Gwyneth Paltrow as Pepper Potts in a scene from "Iron Man 3." (AP Photo/Disney, Marvel Studios)
Robert Downey Jr. as Tony Stark in a scene from "Iron Man 3." (AP Photo/Disney, Marvel Studios, Zade Rosenthal)