¿Who is stronger, Nova or Whis?

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.

Whis is a prominent character in the "Dragon Ball" series, serving as the angelic attendant and martial arts master to Beerus, the God of Destruction for Universe 7. First introduced in the film "Dragon Ball Z: Battle of Gods," Whis is depicted with a serene demeanor, light blue skin, and distinctive white hair. As an angel, he possesses extraordinary abilities, including Ultra Instinct—a state of heightened reflexes and movement. Whis is responsible for training both Beerus and Goku, aiding them in mastering advanced combat techniques. Despite his calm and composed nature, he exhibits a fondness for Earth's cuisine, often indulging in various delicacies during his visits. His character adds depth to the series by exploring themes of divinity, mentorship, and the balance of power within the universe.