It depends on the specific comic. Sometimes the writers take a darker turn and have Batman cross that line, but it's not a constant occurrence.
Not typically. Batman usually adheres to his code of not killing, but there have been alternate universes or special story arcs where he does kill the Joker.
In most comic storylines, the Joker doesn't manage to kill Batman. But there are alternate universes or special story arcs where it might happen.
In most comic storylines, Batman doesn't kill the Joker. His moral code prevents him from taking a life, even that of his greatest nemesis.
Yes, sometimes in certain comic storylines, Batman has been shown to kill the Joker under extreme circumstances.
In some comic storylines, Batman has not killed the Joker. He adheres to his moral code of not taking a life, even of his arch-nemesis.
No, Batman usually doesn't kill the Joker. His moral code prevents him from taking a life, even that of his arch-nemesis.
In certain comic arcs, the Joker has come close to killing Batman or has seemingly accomplished it. However, Batman often finds a way to survive or the storyline takes a twist. It depends on the specific comic series and the creative direction of the writers.
In most Batman comic strips, Batman doesn't kill the Joker. He believes in justice and upholding the law, not taking a life, even of a villain like the Joker.
Yes, in the Injustice comic, Batman does kill the Joker under certain circumstances.
Yes, in some storylines, the Joker has killed Alfred.
In the Injustice comic, Batman kills the Joker due to a series of intense and tragic events that push him to that extreme action. It's a significant departure from his usual code against killing.