Jin Taiko

Jin Taiko was Cyttorak's avatar before Cain Marko. When Taiko refused to destroy a village at the behest of Cyttorak, the ruler of the Crimson Cosmos and the supplier of Taiko's powers took his powers away until Cain Marko eventually found the gem and took over as Cyttorak's new avatar. Cain, as the new Juggernaut, faced and killed Jin Taiko, burning the village to the ground.^[9]

Cain Marko

Temple of Cyttorak

During the Korean War, an American soldier named Cain Marko hid in a cave to avoid an attack by the enemy. A fellow soldier, his stepbrother Charles Xavier, followed him in to convince him to rejoin the battle and avoid a court-martial (the inevitable result of his actions were to reach the attention of the commanding officers). The learned Xavier recognized that the cave contained the Temple of Cyttorak. Marko saw a ruby, remarking that it appeared to be living. He picked it up, despite Xavier's warning, to read the now famous inscription: "Whosoever touches this gem shall possess the power of the Crimson Bands of Cyttorak! Henceforth, you who read these words, shall become forevermore a human juggernaut!" Cain's transformation began as the Koreans' constant shelling of the cave caused it to collapse. Xavier escaped, but Marko also survived due to his new-found powers.

Probably the destruction of the Temple of Cyttorak and the subsequent incapacitation of the Juggernaut served to throw a monkey wrench in the Wager. No other Exemplars would appear until years later, after the Juggernaut had clawed his way through the rubble, made his way to America, and battled the X-Men led by Xavier several times. Also, Marko, unlike the other Exemplars when they were created, did not initially lose his will to his power source, but retained his full individuality.

In an Infinity War crossover, Doctor Strange travels through the dimensional corridors with Galactus and other allies. One of many anomalies drew their spaceship into conflict with Cyttorak. Galactus' ally Nova is captured by the entity; he desires worship.

Juggernaut had been transported to Cyttorak's dimension and awoke to find Doctor Strange surrounded and nearly impaled by crimson crystals. Juggernaut uses his power to destroy the ever-growing crystals and saves Dr. Strange from certain death. Strange had summoned Juggernaut due to his ties to Cyttorak. Though low on actual power, Juggernaut promised to try to convince the entity to let them leave. When Dr. Strange and Juggernaut stumble upon Cyttorak's throne room, it is Strange who tries the diplomatic approach. Juggernaut has one thing on his mind at that point, and that is getting his hands on the ruby that is on Cyttorak's forehead. Just as Doctor Strange convinced Cyttorak to let them go, Juggernaut attacked the entity, knocking him down and taking the gemstone from his forehead. Thinking the ruby would give him unlimited power, he decided to test it out by smashing Strange's skull with it. What Juggernaut did not realize was that the ruby was draining his power. Since the entity his power flows from was dying he was only weakening himself. Finally, with Cyttorak in his weakened state, Nova is able to escape from the crimson bands that were holding her prisoner and able to blast the ruby right out of Juggernaut's hands. Strange then uses his magic to place the ruby back into the forehead of Cyttorak who instantly awakens and ensnares Juggernaut within the crimson bands. The entity is convinced that letting the Juggernaut operate on Earth, and leaving Dr. Strange and Nova to spread his great name across the universe, is enough to satiate his need for adulation and worship. His captives are returned to their respective places (Juggernaut on Earth, Strange and Nova on Galactus's ship).^[10]

The Juggernaut, having been attacked by Onslaught earlier, was placed in the Crimson Cosmos. Doctor Strange discovered this. Within the gem, a demoness called Spite showed Marko an illusion where Cain was crippled before he gained the Juggernaut powers, but Gomurr the Ancient freed Marko from this false scenario. Gomurr had Cain relive the latter’s past, as a delinquent child and his causing the accident that killed his father, Dr. Kurt Marko. Spite, however, again projected to the Juggernaut illusions to persuade him to stay in the Crimson Cosmos. Spite, however, had simply manipulated Marko. Cyttorak desired to inhabit Cain's body and leave his dimension. Cyttorak and Cain battled each other. Cyttorak brutalized Cain severely, but Cain chose not to surrender. Gomurr and his friend Tar arranged things so that Juggernaut could now utilize Cyttorak's power against him. Cain defeated Cyttorak and exited the Crimson Cosmos with more vitality than before.

When certain charlatans had attempted to steal the Juggernaut’s power by using a false second gem of Cyttorak, the Juggernaut attempted to reabsorb his power from this second gem. However, he somehow was possessed by Cyttorak in the process. A being named Ejulp, dispatched by Juggernaut's confederate Black Tom, teleported the X-Men to aid the Juggernaut. Juggernaut's power was so heightened that he began shearing through dimensional boundaries. In this dimension, when Professor X and Wolverine made physical contact with each other, Xavier merged into Logan’s body. Nightcrawler and Kitty Pryde returned to find a larger Juggernaut tearing through a dimensional wall. When Wolverine leaped into the mouthpiece of Juggernaut's headpiece, Logan and Xavier separated from one another. They found an entity pretending to be Cain Marko, but discovered the real Cain Marko hiding under the staircase. Xavier attempted to restore Cain's self-respect. The false Juggernaut happened upon them, but, upon this duplicate making contact with the true Cain Marko, Marko had his Juggernaut power returned to him and vanquished the entity controlling his mind. The Juggernaut started to feel his powers mysteriously increasing, and felt an irresistible urge to go somewhere. He easily shrugged off an attack by Thor, but Thor persisted with the struggle.

Observing this elsewhere, Loki enquired of the Flame of Truth about the Juggernaut. The flame recalled to Loki how Cyttorak empowered Marko, to which Loki responded that he had not heard the name of Cyttorak mentioned for quite some time. The Flame further informed Loki that not only did Cyttorak and his confederates have human followers, but that across the Earth humans had recently begun to receive psychic calls drawing them to artifacts of these entities to become Exemplars. Two of these exemplars, Bedlam and Conquest, arrived to aid the Juggernaut in his battle against Thor. They teleported the Juggernaut away.

An Exemplar machine under the Daily Bugle was noted and destroyed by Spider-Man, Iron Man, Thor and the astral form of Professor Xavier. The Exemplars moved to the North Pole to construct a new device.

The entities behind the Wager of the Octessence decided to implement the creation of the seven other Exemplars, and the Juggernaut once again was caught in Cyttorak’s machinations, as Cyttorak tormented him in his mind. At the North Pole, Thor, Iron Man, Spider-Man and Xavier were trapped. Xavier telepathically helped Marko resist. Marko decided, of his own free will, to oppose the Octessence scheme. He subdued Bedlam and damaged the engine. The heroes were freed and assisted Marko in battling the others. Marko ultimately destroyed the engine and the Exemplars were ejected to the far corners of the earth. As vengeance for opposing his will, Cyttorak caused the Juggernaut's powers to slowly fade.

Hongdo Park

Cyttorak granted the power and form of the Juggernaut to an unnamed youth, whom Cain knew. This child had attracted the attention of the X-Men by torturing animals. This new Juggernaut attacked Cain while he and the She-Hulk were enjoying the afterglow of sexual intercourse. Marko, who had only half of his original power fought with his brains instead of his brawn. Recognizing the kid, Cain thought of the Juggernaut persona as "an angry kid in a muscle suit".

In the "She-Hulk" series, it is shown that a piece of one of his gems was used to create a new creature from Man-Elephant calling itself Behemoth where he had an elephant-like appearance.

Piotr Rasputin

In the Fear Itself storyline, Cain Marko becomes Kuurth: Breaker of Stone (one of the Heralds of a long-dormant god of fear known as the Serpent) upon lifting one of the hammers that fell towards the Raft. Colossus makes a bargain with Cyttorak to gain the power to stand against Kuurth. Colossus becomes the new avatar of the Juggernaut and is able to push Marko back until he is summoned by the Serpent.

Living Monolith and Cain Marko

When the Gem of Cyttorak returned, Cain was one of the people to hear its call. Deciding to destroy the gem, he took various weapons and contracted Vanisher to transport him to the Thailand temple where the gem of Cyttorak rested. They arrived just as the X-Men and various others fought for the gem.^[11]

As Vanisher teleported away, Cain battled the various mercenaries there and surprised Man-Killer with his remaining strength, knocking her out of the temple. Nightcrawler tried to thank him, but he knocked him and Marvel Girl away and took Iceman's head in his hands, demanding that he admitted that they killed his brother. Iceman manage to free himself, but Cain took Rachel and Nightcrawler until Northstar admitted that Cyclops killed Xavier in cold blood. They were interrupted when Rockslide, having defeated the demon guarding the temple crashed through the door wall, giving Cain the opportunity to go for the gem. He was stopped by Colossus, who also wanted to destroy the gem. Thinking the other wanted the power, both battled until the Living Monolith claimed the power of the Juggernaut.^[12]

As Abdol showed off his newfound powers, Marko stayed with the X-Men while they tried to figure out how to defeat the new Juggernaut. Eventually Colossus came up with an idea: while the X-Men dealt with Abdol, he would offer Cyttorak a deal. In return for Cyttorak granting all of his powers to him, Colossus would then kill him. The deal was accepted, but Cyttorak made an alteration to the bargain: instead, he passed his powers on to Cain Marko, making him once again the Juggernaut.^[13]