He is part of a team which is led by Storm, and includes his sister Magik, Iceman, a teenaged version of Jean Grey, Nightcrawler, a re-purposed Sentinel named Cerebra, and Old Man Logan.

[18] During the "Secret Wars", he became infatuated with the alien healer Zsaji,[19] and realized his feelings for his teammate were not wholly genuine, ending his relationship with Kitty Pryde.

[24] After the X-Men began falling apart with Rogue vanishing, Wolverine taking off, Longshot quitting, and Storm apparently killed, Psylocke telepathically prodded the remaining three to disband and travel through the Siege Perilous to gain new lives.

[volume & issue needed] The X-Men later found themselves in another dimension, where they discovered that Colossus' brother Mikhail was alive and acting as a messiah to the population of that world.

[36] Colossus recovered from the brain damage soon after,[40] but decided to remain with the Acolytes of his own volition, hoping he could temper their extremist methods with what he had learned from Professor Xavier.

One such example being snatching away the garter during Meggan and Captain Britain's wedding and dropping it into Colossus' hand, who was then required to place it on Kitty's leg, who had previously caught the bride's flowers.

[volume & issue needed] Peter again found his long thought-dead brother Mikhail, but unfortunately lost him again when Apocalypse collected The Twelve in his quest for power.

[volume & issue needed] Using thoughts and notes from the recently murdered Moira MacTaggert, the X-Men's resident scientist, Beast, claimed to have found the cure for the Legacy Virus.

While the team was separated, Kitty descended into a hidden complex beneath the Benetech building and was able to unlock the true secret behind the cure: shortly after Peter's self-sacrificing death, Ord had captured his body and left a duplicate that the X-Men had cremated.

It is rumoured that the boy Michael Termani escaped the extermination and made his way to the United States of America in search of Colossus, whom he may be related to.

[52] Colossus was briefly a member of the Fifty State Initiative team called The Last Defenders alongside Nighthawk, She-Hulk, and Blazing Skull.

[62] Due to Warlord Krunn's mutant cure, Colossus was temporarily depowered and beaten in battle by him,[63] but other Breakworld residents were able to restore Kitty to her fully tangible state.

[75] Knowing that Magik could have repelled his servitude to Cyttorak at any time and that she made him keep the Juggernaut powers to teach him a lesson, Colossus evinces hatred toward the sister he once loved, going so far as to say he wants her killed.

[volume & issue needed] It is eventually discovered that Cyclops, Emma Frost, Magik, Magneto and Colossus were actually infected with nano-sentinels by Dark Beast, after the incident with the Phoenix Force, and that was the real cause for their flawed abilities.

When they re-encounter the missing students, they discover them to now be adults protecting an ark of 600 artificially created mutant embryos from the Four Horsemen of Apocalypse, one of whom is a celestially altered Colossus.

[volume & issue needed] As the unstoppable Avatar of Cyttorak, Colossus gained additional superhuman strength and resistance to injury, as well as other mystical powers.

[volume & issue needed] During his first mission as an X-Man, Colossus battled Sabretooth for the life of a young Jewish American mutant named Katherine Pryde/Shadowcat.

Penance used her telepathic powers to restore Colossus' true memories, and he swore to help her in her quest to rebuild the world and lead mutants to a brighter future.

[volume & issue needed] In the Days of Future Past timeline (Earth-811), Colossus was detained in the South Bronx Mutant Containment Facility, like most of the surviving X-Men.

As one of the last mutants on Earth, he infiltrated the Baxter Building on a suicide run in which he was killed by Sentinels trying to avenge the deaths of Storm and Wolverine.

The group realizes that their plan to evacuate survivors might lead to another innocent world being infected so they destroy the machine and willingly give themselves up to the zombies.

Unlike the mainstream version, his eyes remain vulnerable to pressure even in steel form, as shown when fighting Sam Wilson during Ultimate Nightmare.

In a climactic battle between the X-Men and the Ultimates, Colossus is able to defeat Iron Man and Thor, but is finally temporarily incapacitated by Hawkeye who fires a compact nuclear warhead arrow (with a blast radius of about 20 feet) near him.

Comments have been made with a double meaning toward Peter's sexuality, such as Bobby Drake saying "Too bad he's playing for the other team" during a baseball game against the Academy of Tomorrow.

[107] After rejoining the main X-Men team during the "Ultimatum, a tsunami hits New York and kills numerous people and superheroes including Beast, Dazzler, and Nightcrawler.

[111] He and the Rasputin family later attend a gathering following the death of Obadiah Stane where it is revealed that they are part of the Maker's Council and that it is their turn to be the "enemy" according to Hulk.

It is implied the Republic is known as a rogue state in a series of manufactured conflicts constructed to fuel the war economy practiced by the Council's incorporated nation-states.

[112] Colossus and the Rasputin family are among the leaders that meet outside The City after it closed up with Maker, Kang the Conqueror, and Howard Stark still inside as they make plans to divide up the North American Union among themselves.

[113] During a meeting with the rest of Maker's Council and Nick Fury, it is revealed by Colossus, Magik, and Omega Red that they have any mutants sent to the Eurasian Republic where they are using them as weapons.

[114] In a flashback, Colossus and the Rasputin family are told about Logan and his regenerative abilities by Dr. Alongya Prostovich as they plan to make use of a telepath in their possession to wipe his memory and get better control over him so that he can serve as their Winter Soldier.