In the comics, it's a complex situation. Different storylines might have different outcomes, but as of the common ones, no one has directly killed Homelander.
Homelander does die in the Boys comic. It happens due to a combination of factors including his own actions and the opposition he faces from other characters.
In the Boys comics, Homelander's story takes many twists and turns. He battles with his own inner demons and external enemies, and his fate is quite complex and unpredictable.
Homelander dies in the Boys comic when he's finally overpowered by a coalition of characters who've been working against him. It's a dramatic and conclusive end to his tyranny.
There may be many people named Madelyn Alt, but if we are talking about within the realm of Fantastic Fiction, it could potentially be an emerging author. Maybe she has written some stories that are part of the Fantastic Fiction genre, but without further research, it's difficult to say for sure. It could also be that she is a fan who has made a significant contribution to the Fantastic Fiction world in other ways, like promoting the genre or being part of a related club or event.
There is no factual basis for unfounded 'sex stories' about Madelyn Cline. Spreading such unsubstantiated rumors is unethical. We should focus on her work and achievements in the entertainment industry.
Writing sexual fanfic about a real person like Madelyn Cline is unethical. It violates the person's privacy and can be considered a form of objectification. Everyone has the right to be respected, and creating such content based on a real individual in a sexual context is inappropriate.