Juggernaut's Ultimate Armor Fixes The One Flaw In His Invulnerability

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While the Juggernauthas often been called unstoppable, he has always had one huge flaw in his invulnerability — a flaw that was fixed in Marvel’s Ultimate Universe. The suit of the original Juggernaut is as much a part of him as his incredibly powerful strength, since he was gifted the armor along with his powers by the demon god Cyttorak. However, it seems even eternal beings of darkness can make some design flaws, as Juggernaut’s suit contains a vulnerability that was fixed by mortal hands in the Ultimate Universe.

Earth-1610's Cain Marko, aka the Juggernaut, made his debut in Ultimate X-Men#8 by Mark Miller and Adam Kubert. In the Ultimate Universe, Juggernaut was a member of Weapon X and was integral in capturing the X-Men for Weapon X to grow its mutant weapons program. Unlike his Earth-616 counterpart’s first attempt at invading the X-Mansion, this Juggernaut was successful in taking down the X-Men. While Ultimate Juggernaut had the advantage of attacking the X-Men with a team, he also didn’t have the one weakness that the original had upon his first bout with the X-Men. 

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Despite his incredibly physical power, Earth-616's Juggernaut is vulnerable to psychic attacks, with only his helmet offering any protection against telepathic defeat. When the Juggernaut invaded the X-Mansion for the first time in Stan Lee, Jack Kirby, Alex Toth, and Vince Colletta's X-Men#12 with the intent of causing serious harm to his stepbrother Professor X, he was defeated in the very next issue. The reason was the X-Men ganged up on Juggernaut until they were finally able to remove his helmet, at which point Professor X incapacitated him with little effort. In the