An avatar of the cosmic being Cyttorak, Juggernaut is one of the more powerful beings in Marvel Comics. There is little that can slow Cain Marko once he gets moving and few things that phase him ...

Juggernaut’s birth name in the comics is Cain Marko, and he is the step-brother of Professor Charles Xavier. However, unlike Xavier, Marko is not a mutant.

Protagonist Justin Jin is the heir to the Gem of Cyttorak's powers, which were usurped by Cain Marko, the version of Juggernaut familiar to most Marvel fans.

In their encounter with the Juggernaut, they are unsuccessful in stopping him and find out he is Cain Marko, Prof. X's step brother.

‘Deadpool 2’ Releases First Official Image of Juggernaut Deadpool 2 featured the surprise appearance of a huge (literally) X-Men villain: Cain Marko, aka […] ...

In the comics, the most well-known Juggernaut is Cain Marko, stepbrother of the X-Men’s founder Charles Xavier.

Of course they may be trolling fans by describing another character as a "juggernaut", though a potential appearance for Juggernaut – aka Cain Marko – is backed up by other evidence.

British actor Vinnie Jones says he turned down the opportunity to reprise the role of Cain Marko, aka the Juggernaut, for the upcoming Marvel Studios film ‘ Deadpool & Wolverine.’ ...

While Juggernaut ultimately won out thanks to being in a “place of power” thanks to the influence of Cyttorak, this revelation showed that Cain Marko is no dummy.

Juggernaut’s birth name in the comics is Cain Marko, and he is the step-brother of Professor Charles Xavier. However, unlike Xavier, Marko is not a mutant.