Colossus

Piotr Rasputin

Played by Stefan Kapičić

Piotr Rasputin is a mutant who can transform his entire body into an organic steel form, granting him tremendous strength and near-total invulnerability while in that state. A member of the X-Men, he has also worked alongside less conventional allies, including Deadpool, bringing a code of discipline and restraint to partnerships that otherwise have little of either. Read more →

First turns up in Deadpool.