Watch: We honor Riri Williams for Black History Month's 28 Days of Heroes

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Feb 17, 2017, 7:55 PM EST (Updated)

With Tony Stark sidelined after Civil War II, the mantle of Iron Man had to fall to someone ... and fate chose this brilliant teenage girl.

Riri Williams built her own armor from scratch, complete with some final touches from Stark himself (literally -- he's Riri's own JARVIS, in A.I. form). Riri has been easing into the superhero game and proving herself to be one of the smartest minds in all of the Marvel Comics universe. Sure, she's ripping around blasting bad guys, but Riri's real weapon is her mind.

She even hacked Tony Stark's system in a matter of minutes. Now, that's one smart Ironheart!

Join our celebration below (and follow along with us over the course of February, where we're celebrating Black History Month with 28 heroes over 28 days).