Legendary comic writer Mark Waid (KINGDOM COME) takes superhero comics to the next level asking the question, "What if the world's greatest superhero decided to become the world's greatest super-villain?" The Eisner Award nominated comic book industry event ends with the last exciting volume of the original ongoing superhero series from Mark Waid! IRREDEEMABLE dares to ask the question: what if the world's greatest hero decided to become the world's greatest villain? A "twilight of the superheros"-style story that examines super-villains from the writer of KINGDOM COME and SUPERMAN: BIRTHRIGHT.