No. Superman comics are mainly about his heroic deeds, saving the world, and his battles against villains. They don't contain erotic stories as it goes against the positive and family - friendly image of Superman.
Superman's sexuality has been explored in different ways in the comics. In some cases, he has been shown to have attractions beyond the traditional heterosexual norm, suggesting bisexuality.
Superman comics can vary in tone. Sometimes they take on darker elements to add depth and complexity to the character and his universe. However, the core of Superman's goodness and heroism still shines through, even in the darker moments.
Superman is mainly known for his heroic deeds and powers in the comics, and his sexuality is not a defining characteristic. But the comic world is vast, and there could be rare instances where it's addressed in a non-traditional way.
In the world of comics, Superman has faced death. This could be part of complex storylines or to add drama. But usually, he finds a way to return, keeping the hope alive for fans.