Yes, Superman has killed on rare occasions in the comics.
Yes, Superman has killed on rare occasions in the comics. Usually, it's in extreme circumstances where he has no other choice to save many lives.
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.
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.
In certain comic arcs, Daredevil has been pushed to the limit and has resorted to taking a life. However, this is usually a morally complex decision for the character and often has significant consequences in the story.
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.
Yes, there have been rare instances in some comic storylines where Batman has been involved in actions that resulted in someone's death, but it's not a common occurrence in his character portrayal.
Yes, Superman has died in the comics before. It was a major storyline that had a huge impact on the DC universe.
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.