¿Who is stronger, Black Widow or Thanos?

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.

Thanos is a powerful and malevolent character from the Marvel Universe, first appearing in the Marvel Comics series "The Invincible Iron Man" in 1973. He is a powerful alien warlord from the planet Titan, and is one of the greatest threats faced by the Marvel Universe. Thanos' story begins on the planet Titan, where he was born as the son of Eternals A'Lars and Sui-San. From a young age, Thanos was obsessed with death and the pursuit of power, and he quickly rose through the ranks to become one of the most feared and respected figures in the Marvel Universe. As a result of his Eternal heritage, Thanos possesses a number of superhuman abilities, including strength, speed, agility, durability, and regenerative powers. He also has access to advanced technology, including a suit of armor that enhances his physical abilities and a number of powerful weapons, such as the Infinity Gauntlet. The Infinity Gauntlet is a powerful artifact that allows Thanos to manipulate time, space, and reality itself. With it, he is able to erase entire galaxies from existence, and has even been able to defeat some of the most powerful beings in the Marvel Universe. Throughout his long and storied career, Thanos has clashed with many of the Marvel Universe's greatest heroes, including the Avengers, the Guardians of the Galaxy, and the X-Men. Despite their best efforts, these heroes have often struggled to defeat Thanos, making him one of the most formidable and dangerous villains in the Marvel Universe.