DC Comics – Batman (1940) #666
First appearance of Damian Wayne as Batman, first cameo appearance of Flamingo
Following the death of Bruce Wayne, Gotham City’s Dark Knight, his son Damian rebels against his mother and takes up the mantle of the Bat.Years ago, Batman’s Father fought two twisted versions of himself… one, a gun-wielding murderer and the other a muscular brute driven by the drug Venom. But Bruce Wayne perished before he could face the third of these twisted Batmen… one who would sell his soul to the devil and destroy Gotham City.Now, the task of preventing Gotham’s destruction falls to Damian. It is a task he has been preparing for all his life. Now, despite being hunted by Police Commissioner Barbara Gordon, he has to figure out where to find this would-be antichrist. But as Bruce taught him well, victory is in preparation. And Damian is very well prepared for this conflict.