Superhero comic books have become a cultural phenomenon, with beloved characters like Superman, Spider-Man, Wonder Woman, and the Avengers making appearances across various forms of media, including movies, TV shows, and video games. The stories typically focus on themes of justice, courage, responsibility, and the eternal struggle between good and evil. The characters themselves are often symbols of hope and empowerment, with their unique powers and abilities allowing them to face insurmountable odds and protect the innocent.