¿Who is stronger, Colossus or Doctor Strange?

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.

Doctor Strange is one of the most powerful and mystical characters in the Marvel Universe. Created by Stan Lee and Steve Ditko in 1963, Doctor Strange made his first appearance in Strange Tales #110 as an arrogant and talented surgeon who loses the use of his hands in a car accident and desperately seeks a cure. Doctor Stephen Strange, after an arduous journey, discovers the existence of magic and becomes the Sorcerer Supreme, protector of the mystical dimension of the Marvel Universe. Thanks to his ability to manipulate mystical energy and his knowledge of the dark arts, Doctor Strange is able to cast powerful spells and protect the world from mystical threats that no one else can face. In addition, Doctor Strange has the ability to travel through time and space, and to create interdimensional portals, allowing him to travel to faraway places and unknown dimensions. Doctor Strange's story is full of exciting and mysterious moments. He has faced many powerful enemies, such as Dormammu, Baron Mordo and Shuma-Gorath, among others. He has also been a key member of the Avengers and other hero teams, such as the Defenders. Doctor Strange has been portrayed in several Marvel films and television series, including his own solo film in 2016 and his appearance in the Avengers films. In these productions, the limits of his powers and his constant struggle to protect the universe from mystical threats are explored.