¿Who is stronger, Muten Roshi or Black Widow?

Muten Roshi, also known as the Turtle Hermit or Master Roshi, is a pivotal character in the "Dragon Ball" series. Born in the year 430, he is renowned as the master of the Turtle School and one of Earth's most formidable martial artists. Throughout the series, Roshi has trained key figures such as Goku, Krillin, and Yamcha, imparting iconic techniques like the Kamehameha. Despite his elderly appearance and often humorous demeanor, he possesses exceptional strength and skills, demonstrated in various tournaments and battles. Beyond his role as a mentor, Roshi has been an active member of the Z Fighters, participating in Earth's defense against numerous threats. His longevity and wisdom make him a respected and beloved figure within the "Dragon Ball" universe.

Black Widow is a well-known character in the Marvel Universe. She is a skilled fighter, a spy, and an Avenger. Natasha Romanoff, also known as Black Widow, has been a part of Marvel Comics since 1964. Natasha was born in Russia and was trained as a spy from a young age. She eventually defected to the United States and became a member of S.H.I.E.L.D., where she began to work with superheroes. Black Widow has been affiliated with several superhero teams, including the Avengers, the Champions, and S.H.I.E.L.D. Black Widow's most notable superpower is her combat skills. She has trained in various forms of martial arts and is proficient in using weapons such as guns, knives, and batons. She is also an expert in espionage, able to infiltrate and gather intelligence on her targets. In addition to her physical abilities, Black Widow is also known for her tactical mind. She is a skilled strategist, able to analyze situations and devise plans to overcome her opponents. She is also a master of disguise, able to blend in and infiltrate her surroundings unnoticed. Another unique aspect of Black Widow is her enhanced physiology. She has been given a serum that slows down her aging process, making her live longer than the average human. Additionally, she has a heightened immune system, allowing her to resist certain poisons and diseases. Overall, Black Widow's strength lies in her versatility. She is a skilled fighter, an intelligent strategist, and a master of espionage. Her abilities make her a formidable opponent, and an invaluable asset to any team she works with.