The Joker has been poisoned. Batman has a choice to make: Does he let his ultimate enemy live or die? The perfect riddle for The Riddler to sink his teeth into! Batman receives a sinister clue that leads him into a new death trap, but...it looks like a new quizzical force might be at work in Gotham City looking to undermine Batman and get their hands on the toxins every villain in the city is fighting over!
List of covers and their creators:CoverNameCreator(s)Sidebar LocationRegRegular CoverDarick Robertson, Richard Clark & Diego Rodriguez1VarVariant CoverRiley Rossmo2RIRetailer Incentive Variant Cover (Riddler)Riccardo Federici3
— Description from Comic Vine community (comicvine.gamespot.com).
