The father could be a relative of one of Katniss' old allies. For example, a nephew or cousin of Peeta. This would create an interesting family dynamic as there are already pre - existing relationships and loyalties. And it would also bring back memories of the original Hunger Games story and the relationships within it.
Perhaps the father is a new character introduced in the fanfiction. A rebel from a far - off place who came to her district and they fell in love at first sight. He could be on a mission related to overthrowing the remaining oppressive forces in the post - Hunger Games world and their love and her pregnancy add a new dimension to his mission.
Well, it could also be Gale. Although Katniss has a more complex relationship with Peeta, her long - time friendship and some underlying feelings for Gale could potentially make him the father in a fanfic. It would add a whole new layer of drama to the story.
One possible plot could be that the daughter faces challenges in a post - Hunger Games world. Maybe she has to deal with how society views her pregnancy. She could struggle with the fear of not being able to protect her unborn child like Katniss protected her in the Games. And perhaps she has to face some political or social opposition because of her situation.
Other tributes or survivors who are jealous or resentful could also be antagonists. They might not like the idea of Katniss and Finnick having a family when they have lost so much themselves. This could lead to conflict and attempts to harm them or the baby.
The Capitol could still be the main antagonists. They might see Katniss's pregnancy as a threat, either because they fear the child could grow up to be a symbol of resistance like Katniss or just because they want to maintain control over her. They could try to harm her or the baby in some way.
One possible plotline could be Haymitch helping Katniss deal with the aftermath of the Hunger Games. He could use his own experiences to guide her and they could develop a deeper bond. For example, he might teach her how to handle the political side of things in the Capitol, which she is not very good at initially.
The story could focus on how the community reacts to the news. Since Katniss and Peeta are well - known figures, their daughter's pregnancy might be a big deal. Some might be supportive, while others could be judgmental. This could create a lot of drama and conflict within the fanfiction. Also, it could explore how the daughter's pregnancy changes the family dynamic, bringing them closer together or causing some rifts.
Maybe it's a new character introduced just for this plot twist. This would add an element of mystery and new drama to the story.
It could be Ron. Since they have a relationship in the original story, it's a very likely option. Their relationship could be further developed as they face the new chapter of becoming parents together.
Perhaps it's a human boy who accidentally wandered into the fairy world. Tinkerbell, being curious, interacted with him, and in a magical turn of events, she became pregnant. This would create a lot of drama as the fairy world and the human world don't usually mix in such an intimate way, and there would be a struggle to figure out how to handle this situation.
It could be her long - time boyfriend. They might have been planning for a family in the future, but the pregnancy comes as a bit of a surprise earlier than expected.