¿Who is stronger, Nova or Iron Man?

Nova, also known as Richard Rider, is a superhero from the Marvel Comics universe. He was an ordinary human who gained extraordinary powers after being chosen by the Nova Corps, a intergalactic police force, to be their new Nova Prime. The Nova Corps imbued Rider with the ability to harness the power of the Nova Force, a powerful energy source that grants him a variety of superhuman abilities. These abilities include super strength, super speed, energy projection, and flight. As Nova, Rider uses his powers to protect the universe from a variety of threats, including supervillains, alien invaders, and cosmic disasters. He is a member of the intergalactic superhero team known as the Guardians of the Galaxy and has also worked with other superhero teams such as the Avengers. In addition to his superhero duties, Nova also struggles with the challenges of being a teenager and trying to balance his personal life with his responsibilities as a hero. He has faced a number of personal and moral dilemmas throughout his career, and has grown and evolved as a result. Overall, Nova is a brave and dedicated hero with a strong sense of justice and a powerful set of abilities. He is a formidable ally for any superhero team and a formidable foe for any supervillain.

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).