Justice League Unlimited

This animated series follows an expanded roster of DC superheroes including Superman, Batman, Wonder Woman, and dozens of other heroes as they protect Earth and the universe from various threats. The show features diverse representation with heroes from different cultural backgrounds, including characters like Green Lantern John Stewart (African American), Hawkgirl (Thanagarian), and various international heroes. The series explores themes of teamwork, justice, moral complexity, and the responsibilities that come with great power, often tackling sophisticated ethical dilemmas while maintaining accessibility for younger viewers.