Most of the time, Batman refrains from killing in the comics. His mission is to rehabilitate villains rather than eliminate them. This approach makes him a symbol of hope and a hero who upholds the law without crossing the line into lethal force.
Batman typically adheres to a no-killing code, but there are rare exceptions in some darker or alternate comic universes where he has been shown to kill.
Yes, in some comic storylines, Batman has been involved in situations where Superman's fate is uncertain or where actions could be interpreted as leading to Superman's demise.
In most Batman comics, he avoids killing. But there are a few specific storylines where circumstances might lead him to be indirectly or directly responsible for someone's death. It's not a common occurrence and often sparks debate among fans.
In the comics, Batman typically doesn't kill. His mission is to rehabilitate and reform, not to end lives. This moral stance is a core part of his character and the way he operates in Gotham.