Despite his iconic beginnings as a supervillain, Cain Marko has recently been dabbling in more altruistic activities.
He is still a hot-tempered wrecking ball, but his partnership with D-Cel in Fabian Nicieza and Ron Garney’s Juggernaut series casts him in a downright heroic light. Juggernaut’s transformation from monster to hero has been taking place slowly over the last few years, but Marko’s first attempt at heroics dates back to the mid-90s in Marvel’s forgotten universe, the Ultraverse.
https://www.cbr.com/juggernaut-hero-marvel-ultraverse/