In Batman 1989 he kills the Joker and some of his henchmen. In Batman Forever he kills Two-Face by tossing a bunch of coins causing Two-Face to fall to his death. Batman Begins is a little debatable but he didn't save Ra's al Ghul leading to his death.
Moving on to TV, Batman from the Titans Universe and Earth-99's Bruce Wayne, played by Kevin Conroy, were killers. We've seen several storylines in the comics, including The Killing Joke, Final Crisis, and many others where Batman has killed people.
The first villain Batman ever faced was a man named Stryker. Despite that legacy, there's a good reason you don't see him around. In 1939's Detective Comics #27, Batman punched him over a railing into a vat of acid. His immediate feelings on the matter: “A fitting end for his kind.”
After gathering up his forces to fight the Justice League, the Batman Who Laughs fought against the Justice League and was killed by Wonder Woman using a chainsaw built using parts of the Invisible Jet.
Bruce tells Diana that he regrets failing Superman and asks for her help in forming a team of metahumans to protect Earth in Superman's absence. As they leave, the dirt atop Clark's coffin levitates.
"Doomsday!" "Reign of the Supermen!" "The Death of Superman" is divided into a trilogy of story arcs; the first is known as "Doomsday!", which leads to Superman's death at the hands of Doomsday.
In Batman Begins, he comments that he avoids killing to avoid become like the criminals he faces, believing that doing so will make him no better than his enemies. In The Dark Knight, Batman comments that he "only [has] one rule", likely referring to this.
Who is the Most Violent Batman in film history? Based on individual films, it is Ben Affleck's portrayal of Batman in Batman Vs Superman: Dawn of Justice who brandishes the most justice (with his fists). In a mere 151 minutes, a total of 48 villains receive a beating. That works out at one punch every 3 minutes.
The two have clashed multiple times in the comics, but there have been a few instances where Superman has killed The Dark Knight. One such event occurred when Poison Ivy took over Superman, and in a fit of rage, used him to punch Batman dead, although she resurrected him.
The Batman Who Laughs eventually goes on to threaten all of reality several times, most notably in the Dark Nights: Death Metal event. That makes this the only time Batman has killed the Joker and had serious lasting consequences on the main Earth's continuity.
During Final Crisis, Batman wields a pistol to during a confrontation with Darkseid. Having learned of his weakness to radion, Batman acquired the weapon and a bullet made of the material, citing the confrontation as a one-time exemption to his no-guns rule.
The Nightmare Multiverse fusion of Batman and Joker was created by Scott Snyder and Greg Capullo. The Batman Who Laughs led the Nightmare Batmen to war against Prime Earth. Working for the bat-demon Barbatos and then multiverse god Perpetua, the Batman Who Laughs was a straight-up, unrelenting villain.
Ms. Marvel has fought the most dangerous threats the universe can throw at her, and come through. She's done it all by never killing. She idolized the heroes of the Marvel Universe her entire life and grew up steeped in their tales.
By far the most brutal death is when Deadpool kills Spider-Man while wearing the Venom symbiote. Deadpool uses the symbiote's ability to bypass Peter's spider-sense in order to ambush him. He then quickly overpowers Spider-Man, and horrifyingly, eats his brain while Peter is completely helpless to stop him.
The culprit of the murders, thefts and the framing of the Amazons is revealed to be the witch Circe, who "kills" Diana by reverting her form back into the clay she was born from. Later, Wonder Woman is brought back to life and together with Donna Troy, battles Circe and ultimately defeats her.
Batman has killed the Joker, Darkseid, Hugo Strange, KG Beast, Dracula, Two-Face, and many small-time criminals in different stories over time. The following list showcases where Batman killed each character: Hugo Strange in Batman #1.
Batman sees Superman as nothing more than a potential alien threat to be eliminated. As set up by Batman v Superman, the showdown between the two heroes is symbolically positioned as Batman's last chance to regain the humanity slipping away from him.
Batman v Superman: Dawn of Justice's reported lack of test screenings likely contributed to its poor reception and negative criticism from critics. Test screenings could have helped catch mistakes and inconsistencies in the movie's editing and storytelling, improving its overall quality.
While the Batman Who Laughs is strong and fast, something about the Joker toxin that transformed him also shrank his musculature. The Batman Who Laughs physically looks like the Joker—a slimmer specimen than he was while he was Batman.
Batman can beat anyone if given enough time to prepare. The Caped Crusader needs that prep time to become as strong as the godlike characters he fights alongside. However, if there is one reason Batman can beat Dr. Manhattan, it is because he is a brilliant strategist who exploits weaknesses.
