The Joker #1

This issue features the first appearance of the Joker's trademark acid spray flower on his lapel

When a new criminal breaks Two-Face out of Arkham Asylum, claiming that he has need of " a truly master criminal", the Joker is incensed. Soon, the Clown Prince of Crime stages his own breakout and tracks down Two-Face, determined to show just who Gotham's number-one criminal truly is.