¿Who is stronger, Vision or Winter Soldier?

Vision is a Marvel Cinematic Universe (MCU) character who first appeared in the 2015 film "Avengers: Age of Ultron". Vision is an artificial intelligence created by the villain Ultron, but ends up joining the Avengers to fight him. Vision is a synthetic being with superhuman abilities, including superior strength, speed and endurance to an ordinary human being. In addition, he can fly and possesses energy abilities, such as the ability to shoot energy beams from his forehead. Unlike most UCM characters, Vision is a being composed of technology and organic matter, which gives him a unique appearance and an interesting perspective on life and humanity. In addition, Vision is a very intelligent character and often acts as an advisor and strategist for the Avengers. Vision's history in the UCM includes his role in the fight against Ultron and his contribution in defending Earth against threats such as Thanos. He has also been romantically involved with the heroine Scarlet Witch, which has been an important aspect of his story arc.

Winter Soldier, also known as James Buchanan "Bucky" Barnes, is a Marvel Comics superhero who was first introduced in Captain America #1 in 1941. He was created by Joe Simon and Jack Kirby. Bucky was originally portrayed as Captain America's teenage sidekick, serving as his partner in the fight against the Axis Powers during World War II. However, in a tragic turn of events, Bucky was presumed dead after a mission gone wrong, leading to Captain America being frozen in ice and preserved for several decades. Decades later, Bucky was revealed to have survived the mission and had been brainwashed by the Soviet Union to become a deadly assassin known as the Winter Soldier. He possesses superhuman strength, agility, and endurance, as well as extensive combat training and knowledge of espionage. The Winter Soldier's most notable power is his bionic left arm, which is capable of crushing metal and firing energy blasts. The arm is also equipped with various gadgets and weapons, including a retractable knife and a grappling hook. Despite being brainwashed for years, Bucky eventually regained his memories and went on to become a hero in his own right, even taking up the mantle of Captain America for a time. Throughout his history, the Winter Soldier has faced off against numerous foes, including Captain America himself, who was initially suspicious of Bucky's motives after he resurfaced as the Winter Soldier. However, Bucky has proven himself time and time again as a valuable ally and hero, using his formidable skills and determination to protect the world from threats both foreign and domestic. The Winter Soldier has also made multiple appearances in the Marvel Cinematic Universe, portrayed by actor Sebastian Stan. He remains a popular and iconic character in the Marvel Universe, known for his strength, cunning, and unwavering loyalty to those he considers family.