Forget Deadpool 2: Juggernaut and Colossus' Best Fight Was WAY More Ridiculous
In Deadpool 2, Colossus is entirely CGI. This is most likely because the casting directors were unable to find a fully metal human actor. : r/shittymoviedetails
Deadpool 2': Creating the Colossus vs. Juggernaut Slugfest in VFX – IndieWire
Deadpool 2 (2018) - Stefan Kapicic as Colossus - IMDb