by Boom! A comic book industry event: a new 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 superheroes"-style story that examines super-villains from the writer of KINGDOM COME and EMPIRE! Features a 1-in-50 variant cover signed by Mark Waid!