Kro

Kro is an immortal Deviant warrior who has walked the Earth for millennia, serving as a cunning military leader and schemer among the grotesque offshoot race created by the Celestials. He first clashed with the Eternals in Jack Kirby's landmark 1976 series.

Kro burst onto the scene in the Bronze Age landmark The Eternals #1 (1976), a Jack Kirby-conceived corner of the Marvel Universe where ancient cosmic forces collide with humanity's myths — and this villain has been stirring up trouble ever since. With nearly five decades of appearances stretching from 1976 all the way to 2023, Kro has proven a remarkably durable presence, sharing pages with titans like Thor, Steve Rogers, and Ikaris across titles as varied as Avengers, Black Panther, and Hulk Comic. That debut issue carries key-issue status with collectors, a testament to the significance of the world Kro helped inaugurate. Whether you're a longtime devotee of Marvel's cosmic mythology or just discovering how deep the rabbit hole goes, Kro is one of those figures who rewards the curious reader willing to dig beneath the surface.