Supervillain concepts refer to the imaginative ideas and characteristics that define antagonists in stories, particularly in comic books and movies. These characters often possess unique powers, advanced technology, or exceptional intelligence, allowing them to challenge heroes like Superman or Spider-Man. Their motivations can range from personal vendettas to grand schemes for world domination, making them complex figures in narratives. Common themes in supervillain concepts include the struggle between good and evil, the exploration of moral ambiguity, and the impact of trauma or loss. Villains like The Joker or Magneto often reflect societal issues, serving as a mirror to the heroes they oppose. Their designs and backstories contribute to their allure and the overall tension in the story.