Tony Stark is the reckless playboy at the head of Stark Industries, and he’s also, of course, Iron Man. And in between saving the world from his archenemy Mandarin and running a multibillion-dollar conglomerate, he somehow found the time to warm our hearts.
Robert Downey Jr., in character as Stark, recently paid a visit to a 7-year-old named Alex to give him an Iron Man-themed prosthetic arm. Alex was born with an underdeveloped right arm.
Because it was 3-D printed, the bionic arm cos