One possible plot could be that Poison Ivy discovers she is pregnant and has to deal with the internal conflict of how her plant - based powers might affect the unborn child. She might worry about passing on dangerous mutations or if her connection to nature during pregnancy would be different.
A plot could involve Poison Ivy being pregnant and trying to protect her unborn child from her enemies. Maybe her pregnancy is seen as a vulnerability by her foes, and she has to use her wits and powers in new ways to safeguard herself and the baby. She could also be in a relationship with a character who is either supportive or conflicted about the pregnancy, adding more drama to the story.
In a Poison Ivy pregnant fanfic plot, perhaps she is pregnant as a result of some sort of experiment gone wrong. This could lead to her having to find a way to reverse the effects while also dealing with the physical and emotional aspects of pregnancy. Or, she could be pregnant in a more normal way and be forced to navigate the human world's medical system, which she may not trust, all while still maintaining her connection to the plant world and using her powers to ensure the well - being of her unborn child. There could be a lot of exploration of her character growth during this time, as she has to think beyond herself and her plants and consider the future of her child.
One possible plot could be that Poison Ivy initially tries to use her powers on Batman to further her own environmental goals. But as she spends more time with him, she starts to see his good side and truly falls in love. Batman, on the other hand, begins to understand Poison Ivy's motives more deeply and they decide to get married, vowing to work together for a better Gotham that respects nature.
In a 'Poison Ivy adopts Naruto' fanfic, the plot could start with Poison Ivy finding Naruto in a forest during one of his solo training sessions. She's intrigued by his determination. She then decides to adopt him and raise him in her lair. As Naruto grows, he starts to combine his chakra control with Poison Ivy's plant powers. For example, he could use his chakra to make the plants grow even faster and stronger. This would lead to some really interesting battles against their common enemies, like Orochimaru who might be interested in Poison Ivy's plant powers for his own dark experiments.
Perhaps Poison Ivy is being framed for a series of crimes she didn't commit. Spiderman, being the hero he is, starts to investigate. As he digs deeper, he discovers that Ivy is being set up by a powerful corporation that wants to use her plants for their own unethical experiments. Spiderman and Poison Ivy then join forces to take down the corporation. In the process, they might face challenges like dealing with the corporation's security forces and trying to expose their evil plans to the public without causing a panic.
The plot could involve Naruto being on a mission in a world that has somehow merged with Poison Ivy's realm. Yandere Poison Ivy would immediately take an interest in Naruto. She'd start by subtly influencing his actions with her pheromones or plants. As the story progresses, Naruto would have to figure out how to break free from her obsessive hold while also dealing with any threats that come their way.
One possible plot could be that Poison Ivy discovers a strange seed that has the potential to overtake Gotham with mutated plants. Batman, initially suspecting Ivy's malicious intent, later realizes she's trying to control the seed's power. As they work together, their relationship matures in unexpected ways. They face challenges from other villains who want to use the seed for their own evil purposes.
One possible plot twist could be that the kiss is part of a ploy by Poison Ivy to control Batman's mind. Maybe she has a new strain of her pheromone - based powers that she's testing on him through the kiss. However, Batman being Batman, he has some sort of antidote or mental resistance that he activates mid - kiss, which then turns the tables and he uses the situation to get information from her instead.
One possible plot could be that Batman and Poison Ivy are forced to team up against a greater threat. During their time together, an unexpected attraction develops. Maybe Ivy uses her pheromones in a moment of distress and Batman, being only human in some ways, succumbs. This leads to her getting pregnant and then they have to deal with the consequences, like how Batman will protect Ivy and the unborn child from his enemies and Gotham's chaos.
There may or may not be a fanfic specifically about Poison Ivy being pregnant. It depends on the creativity of the fanfic writers within the relevant fandom. Some writers might be interested in exploring such a scenario, perhaps delving into how her powers or her relationships might be affected during pregnancy. But without a comprehensive search across multiple fanfic platforms, it's hard to say for certain.
I don't know the exact plot of the 'poison ivy novel' as there could be many. It might be about a character who has an encounter with poison ivy and how it changes their life, perhaps they get an allergic reaction that sets off a chain of events.
In a fanfiction where Batman saves Poison Ivy, perhaps Poison Ivy is framed for a crime she didn't commit. Batman, being the detective he is, discovers the truth. He has to save her from the police as well as the real criminals who set her up. This could lead to an alliance between them for a short time as they work together to expose the real villains and clear Ivy's name.