The movie which a young Bruce and his parents were seeing on the night of their murder is generally stated to be "Mark of Zorro" (the exact version varies). This is important because Bob Kane stated that he drew inspiration for Batman from seeing a screening of that very movie. He also drew inspiration from images of Leonardo da Vinci's flying machine.
Batman makes his way through the asylum, overcoming Mr. Freeze, Scarecrow and Clayface. He finds Joker with Two-Face, Riddler, and Penguin, but before he can stop them, Joker shows him a video of Robin, Red Hood, Nightwing, Batgirl and Red Robin being captured. Joker orders Batman to take his place on his throne, an electric chair, to spare their lives, and Batman does so, receiving an electric shock
1994's company-wide crossover Zero Hour changes aspects of DC continuity again, including those of Batman. Noteworthy among these changes is that the general populace and the criminal element now considers Batman an urban legend rather than a known force. Similarly, the Waynes' killer is never caught or identified, effectively removing Joe Chill from the new continuity, rendering stories such as "Year Two" non-canon.
Batman's [uniform] is bulletproof and fire resistant, featuring a weighted cape and a cowl outfitted with night-vision technology and communications arrays; utility belt contains an arsenal of crime-fighting gear, including various types of offensive Batarangs, de-cel jumplines and grapnels, micro-camera, smoke pellets, acetylene torch, gas mask, rebreather, and flexi-cuffs among other miniaturized non-lethal weapons. [Batman] employs a variety of detective gadgets, including micro-computers and crime scene analysis kits; maintains a fleet of high-tech and high-powered vehicles, chief among the Batmobile, Batcycle, Batboat, Batplane and Batcopter; supersophisticated Batcave headquarters houses training facilities, forensics laboratories, computer databases, and maintenance bays for all Bat-vehicles.
In those days it was like, one artist and he had his name over it [the comic strip] — the policy of DC in the comic books was, if you can't write it, obtain other writers, but their names would never appear on the comic book in the finished version. So Bill never asked me for it [the byline] and I never volunteered — I guess my ego at that time. And I felt badly, really, when he [Finger] died.