In most comic storylines, Batman hasn't been killed. But there might be alternate universes or special story arcs where such a thing could happen, though it's not a common occurrence.
Batman is a resilient character in comics and is rarely killed. Usually, he overcomes the odds. But in some alternate or limited series, there could be instances where his fate is different, depending on the creative direction of those particular stories.
As far as the mainstream Batman comics go, Batman typically survives. However, in some rare and non-canonical versions, various villains or circumstances could potentially lead to his 'death', but it's very much the exception rather than the rule.
No one has killed Batman permanently in the comics. He's always managed to escape or overcome death-like situations.
Occasionally, Batman has been shown to kill in certain comic arcs. However, this goes against his usual moral code and is usually a result of extreme circumstances or a departure from the typical portrayal of the character.
In the main continuity of Batman comics, he almost never kills. But in some alternate realities or special story arcs, circumstances have led to him making the decision to kill. Such instances are rare and often cause significant discussion among fans.
Occasionally, Batman has been pushed to the extreme and taken a life, but this goes against his core principle of not killing and is usually a plot point for significant character development.
Occasionally, Batman has been depicted as killing someone in certain comic storylines. However, this goes against his usual code of not taking a life and is usually a plot point that has significant consequences and character development.
No, Batman has never killed Superman in the comics. Their conflicts usually end without one killing the other.
Occasionally, Batman has indirectly or in extreme circumstances been associated with the death of a character. However, his main principle is to avoid killing and find non-lethal solutions to crime-fighting.
In the comic world, the Joker has come close many times, but Batman has always survived. It's part of the ongoing dynamic between these two iconic characters. The storylines often focus on the cat-and-mouse game rather than a definitive death for Batman at the Joker's hands.
Batman has killed in a few comic storylines. But typically, he adheres to his principle of not using lethal force as it's a core part of his character. These instances are outliers and often controversial among fans.
No, Joker has never succeeded in killing Batman in the comics. Batman always manages to survive and overcome Joker's evil plans.