In time for the weekend portion of Comic-Con 2012, more celebrities make their way to the fanboy extravaganza. Showing he's got his friend and fellow filmmaker Quentin Tarantino's back, musician and The Man with the Iron Fists director/co-writer/star RZA touts Tarantino's own Django Unchained.
Here are 20 villains from Superman's comic book history that won't leap from page to screen anytime soon.
Here are 20 of the most memorable costumes worn by the Man of Steel over the years.