Well, it depends on which comic series you're referring to. In some, Ben might die in a heroic battle, while in others, it could be due to a tragic accident or a villain's scheme.
No. Writing sexual fanfics about characters is inappropriate and often goes against the ethical and moral standards of the fan community. It can also be considered a form of disrespect to the original work and its intended audience.
Sure did. The death of Uncle Ben is a classic and tragic moment in the original comics. It has a profound impact on Spider-Man's development and his sense of justice.