article_snippet: One young boy got the chance to spend a very special afternoon with a real-life superhero.
article_snippet: Robert Downey Jr. dressed up as Tony Stark to present a young boy with a bionic Iron man arm .
article_snippet: the actor also posted a video, in which the actor comments the young man's bow tie and inquires about the actor travels.
article_snippet: the actor then pulled out two boxes, one with an arm for the actor and one with an arm for Alex.
article_snippet: Downey Jr. is not the first member of the Avengers to make a young fan's dream come true either, with Chris Evans recently visiting Seattle Children's Hospital dressed as Captain America.
article_snippet: This after Downey Jr. won a Super Bowl bet against Chris Pratt, who had previously traveled to Boston to visit the kids at Christopher's Haven dressed as Downey Jr. Guardians of the Galaxy character Star-Lord.
article_snippet: And while the chances of an actual visit from Downey Jr. and Evansmay be slim, both men can be seen this summer reprising both men Marvel roles in the Avengers:
highlights_snippet: Robert Downey Jr. dressed up as Tony Stark to present a young boy with a bionic Iron man arm .
  