¿Who is stronger, Bills or Nova?

Beerus, also known as Bills in some translations, is a pivotal character in the "Dragon Ball" series, introduced as the God of Destruction for Universe 7. Resembling a purple, anthropomorphic feline, Beerus maintains cosmic balance by destroying planets, a role that contrasts with the Supreme Kais, who are responsible for creation. His first appearance is in the film "Dragon Ball Z: Battle of Gods," where he seeks the Super Saiyan God to challenge his strength, leading to a monumental battle with Goku. Despite his formidable power and often capricious nature, Beerus develops a complex relationship with Earth's heroes, oscillating between adversary and ally. His abilities include immense strength, speed, energy projection, and a technique called "Hakai," which allows him to erase entities from existence. Beerus's character adds depth to the series by exploring themes of divinity, power, and the delicate balance between creation and destruction.

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.