Superman felt lighter than The Dark. The Dark Knight was much scarier at times because it involved an evil villain. The Joker had nothing to lose because he just didn't care about anything, but himself. unlike Lex Luthor who cares about his image and hides under a man. metro Lex Luther had a sidekick who is Otis, their whole duo seems humorous throughout the movie, unlike the Joker every time he comes on screen people get tense.