¿Who is stronger, Iron Man or Annihilus?

Iron Man, also known as Tony Stark, is a powerful superhero from the Marvel Universe, first appearing in the Marvel Comics series "Tales of Suspense" in 1963. He is a brilliant inventor and businessman, and is one of the most respected and admired heroes in the Marvel Universe. Iron Man's story begins with Tony Stark, the son of Howard Stark, a brilliant inventor and scientist. After his father's death, Tony inherits his father's company, Stark Industries, and becomes one of the most successful and influential businessmen in the world. However, Tony's life takes a turn when he is captured by terrorists and forced to build a weapon for them. To escape, he builds a suit of armor powered by an arc reactor, and uses it to defeat his captors and escape. As Iron Man, Tony has access to a wide range of advanced technology and weaponry, including his signature suit of armor. The armor is powered by an arc reactor, and is equipped with a variety of powerful weapons, such as repulsor blasts and missiles. In addition to his physical powers, Iron Man is also a brilliant inventor and strategist, and has used his intelligence and resourcefulness to defeat many of the Marvel Universe's greatest villains, including the Mandarin, Whiplash, and the Ghost. Throughout his long and storied career, Iron Man has become one of the most respected and admired heroes in the Marvel Universe, and is a member of the Avengers and the Defense Advanced Research Projects Agency (DARPA).

Annihilus is a powerful villain in the Marvel Comics Universe, known for his immense strength and control over the Negative Zone. Created by Stan Lee and Jack Kirby, Annihilus first appeared in Fantastic Four Annual #6 in 1968. Annihilus possesses numerous superhuman abilities, including super strength, speed, and agility, as well as the power to fly and regenerate from injury. However, his most notable ability is his control over the Negative Zone, a parallel dimension filled with negative energy. Annihilus can use this energy to create powerful blasts, force fields, and even open portals between dimensions. The origins of Annihilus are shrouded in mystery. He hails from the planet Arthos, located in the Negative Zone, and is the leader of an insectoid race known as the Annihiloids. He is driven by a desire to conquer and destroy, and has clashed with numerous superheroes, including the Fantastic Four and the Avengers. One of Annihilus' greatest strengths is his ability to absorb energy from his surroundings, making him even more powerful. He is also incredibly intelligent and strategic, making him a formidable opponent in battle. Annihilus has played a major role in several Marvel Comics storylines, most notably the "Annihilation" event, where he led an army of cosmic villains in an attempt to conquer the universe. He has also appeared in various video games and animated television shows. Overall, Annihilus is one of the most powerful and dangerous villains in the Marvel Universe. His control over the Negative Zone and ability to absorb energy make him a formidable opponent, while his intelligence and strategic mind make him a true force to be reckoned with.