¿Who is stronger, Colossus or Iceman?

Colossus, also known as Piotr Nikolaievitch Rasputin, is a superhero from Marvel Comics who first appeared in Giant-Size X-Men #1 in 1975. Created by writer Len Wein and artist Dave Cockrum, Colossus is a member of the X-Men and one of the most powerful mutants in the Marvel Universe. Colossus' superpowers and strength are closely tied to his ability to transform his entire body into a form of organic steel. When in his steel form, Colossus gains incredible strength and durability, making him one of the strongest beings in the Marvel Universe. He can withstand powerful physical attacks, and his steel skin makes him impervious to most forms of harm. One unique aspect of Colossus' powers is that he can transform back and forth between his human form and his steel form at will. While in his human form, he retains his normal strength and abilities, but when he transforms into his steel form, he gains incredible power and durability. Colossus' origins are closely tied to those of the X-Men. He was recruited by Professor Xavier to join the team of mutants who were trained to use their powers for good. Despite his gentle nature, Colossus quickly became known for his incredible strength and courage, using his powers to fight against various villains and threats. Throughout his career, Colossus has had many memorable moments, including his romance with fellow X-Man Kitty Pryde, his leadership role in various X-Men teams, and his pivotal role in many Marvel Universe events. Overall, Colossus' superpowers and strength make him one of the most iconic mutants in the Marvel Universe. His ability to transform into organic steel gives him incredible power and durability, making him a formidable opponent for even the strongest villains.

Iceman, also known as Bobby Drake, is a superhero from Marvel Comics who first appeared in X-Men #1 in 1963. Created by writer Stan Lee and artist Jack Kirby, Iceman is a member of the X-Men and one of the most powerful mutants in the Marvel Universe. Iceman's superpowers and strength are closely tied to his ability to control and manipulate ice. He can create ice in various forms, including ice blasts, ice shields, and even entire structures. He can also freeze objects and people, making them immobilized or even encased in ice. One unique aspect of Iceman's powers is that he can transform his entire body into ice, making him nearly indestructible. He can also use his ice form to slide along surfaces, increasing his mobility and speed. Iceman's origins are closely tied to those of the X-Men. He was recruited by Professor Xavier to join the team of mutants who were trained to use their powers for good. Despite his young age, Iceman quickly became an integral member of the team, using his powers to fight against various villains and threats. Throughout his career, Iceman has had many memorable moments, including his transformation into a powerful being known as Ice Hulk and his leadership role in various X-Men teams. He has also had many solo adventures, both as a superhero and as a member of other superhero teams. Overall, Iceman's superpowers and strength make him one of the most powerful and iconic mutants in the Marvel Universe. His ability to control and manipulate ice gives him a unique set of powers that sets him apart from other heroes, and his transformation into ice form makes him nearly indestructible.