Here’s what the character Harley Keener looked like in “Iron Man 3”: Keener was never heard from again but Ty Simpkins, who played him in Iron Man … It's been several years since Iron Man 3 came out, the last standalone film Robert Downey Jr. made as part of his Marvel contract. “Iron Man 3” came out way back in 2013, and Simpkins was just a kid at the time, and he’s grown up a bunch since then. Marvel. Harley is the kid from Iron Man 3, the one who helped Tony when Iron Man crash-landed in Tennessee. A high-ranking Marvel Studios source confirmed to IGN that this character is Harley Keener, who was the little boy from Iron Man 3 — and that he’s once again played by Ty Simpkins. Keener was the precocious child who became an unlikely friend to Stark in Iron Man 3 way back in 2013. bringing out a paternal side of the super-genius and helping Stark escape his own anxiety to defeat the Mandarin.