At the end of Ultimate X #5, Colossus is shown being held in a government facility: "Camp Angel" along with Storm and Spiral. It can be inferred from the narration of Karen Grant that the government is using them for testing on how to remove the mutant gene. At the start of as a series, Colossus is seen in this camp. Despite the government's claims that mutants are being well-treated, Colossus is being maliciously tortured with electrical sticks. When the prison is overruled, and arguments started between Storm and Stacy X over the treatment of Warden Lake and Major Walker, until Colossus kills Lake, summoning a fleet of Nimrod Model Sentinels.