Issue: #4
Thomas Wayne is quickly closing in on the Clockwork Killer, but his investigation might be impeded by young Dexter Dent and his own vigilante agenda: breaking his mother out of Arkham!
Creators: Jim Cheung, Rob Leigh, Francis Manapul, Marie Javins, Geoff Johns, Jay David Ramos, Romulo Fajardo Jr., Mitch Gerads, Katie Kubert, Jordie Bellaire, Mikel Janin, Xermanico, Andrew Marino, Marquis D. Draper, Tim Sheridan, Jeremy Adams
Characters: Batman, Martha Wayne, Penguin, Corky Baxter, Gilda Dent, Flashpoint Batman, Dexter Dent, Flashpoint Joker
Story arcs: The New Golden Age