¿Who is stronger, Shang-Chi or Colossus?

Shang-Chi, also known as the "Master of Kung Fu," is a fictional superhero in the Marvel Comics universe. He made his first appearance in Special Marvel Edition #15 in December 1973 and was created by Steve Englehart and Jim Starlin. Shang-Chi is considered to be one of the greatest martial artists in the Marvel Universe, with incredible agility, reflexes, and strength. Shang-Chi's history begins with his father, the infamous criminal mastermind Fu Manchu. Shang-Chi was raised and trained by his father in the ways of martial arts and was initially sent on missions to carry out his father's bidding. However, when Shang-Chi discovered the true nature of his father's activities, he turned against him and joined forces with the British intelligence agency MI6. In the comics, Shang-Chi is often portrayed as a loner and a master of several styles of martial arts. He has demonstrated incredible speed, agility, and strength, which are all enhanced by his mastery of chi energy. Shang-Chi has also trained his body to resist injury and possesses an exceptional healing factor that allows him to recover from wounds more quickly than a normal human. One of Shang-Chi's most notable abilities is his "One Touch of Death," which allows him to strike a single, precise blow that can kill or render an opponent unconscious. Shang-Chi has also mastered the use of weapons, particularly the nunchaku and the staff. Shang-Chi has faced many formidable foes in his adventures, including the likes of the Mandarin, the Yellow Claw, and the Iron Fist. He has also been a member of several superhero teams, including the Avengers and the Heroes for Hire. Overall, Shang-Chi is a skilled and powerful fighter with incredible physical abilities and a mastery of martial arts. His strength, speed, and agility make him a formidable opponent, and his skills have earned him a place among the greatest fighters in the Marvel Universe.

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.