Watch Iron Man give a little boy a literal helping hand

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Mar 12, 2015, 6:40 PM EDT

Yes, it's get-out-your-handkerchiefs time again thanks to a Marvel superhero.

After Chris Evans/Captain America and Chris Pratt/Star-Lord completed their Super Bowl bet last week by paying a visit to a Seattle children's hospital, now the one and only Tony Stark, aka Robert Downey Jr., has lent a helping hand to a child in need -- literally.

Downey recently got interested and involved in the work of Albert Manero, a Fulbright scholar and doctoral student in mechanical engineering at the University of Central Florida. Manero runs a volunteer group called Limbitless Solutions, through which he provides handicapped children around the world with low-cost bionic limbs that he builds and produces himself through 3D printing.

Manero's limbs cost around $300 to make, as opposed to some $40,000 if they're done in a traditional fashion, so they're accessible to many more kids. And that's where Downey stepped in: When he heard about a 7-year-old boy who was born with a partially developed right arm -- and who "loves superheroes" -- he decided that it was time the boy, named Alex, got a visit and a very special gift from Iron Man.

Visit the Limbitless Solutions website here for more info, and watch the video of Downey's visit with Alex below. Like his buddies Cap and Peter Quill, Tony Stark proves himself a superhero in more ways than one.

(via Collider/CNET)