A possible plot could involve Mad Harriet getting injured and Pity having to take care of her. During this time, they have deep conversations about their lives in the Female Furies, their dreams, and how they can change the way things are done in their group. This leads to a new friendship and they start planning reforms within the Female Furies.
Perhaps in the fanfiction, Pity discovers a long - hidden secret about Mad Harriet's past that changes their relationship. It could be something that makes Pity see Mad Harriet in a new light and they then work together to right a wrong from that past.
One plot idea could be that Mad Harriet and Pity are forced to team up against a common enemy within the Female Furies. They start off disliking each other but gradually learn to respect and rely on one another.
The relationship could be developed through shared challenges. For example, if they are both given a difficult mission by the Female Furies' leaders. Working together on this mission would force them to communicate and understand each other better.
One idea could be that Superman has to team up with the Furies to stop an otherworldly threat that is too powerful for him to handle alone. Maybe a powerful alien race is invading Earth and the Furies' unique skills and abilities complement Superman's powers in the fight.
One idea could be that they team up to solve a mystery in Wonderland that threatens to change the whole land forever. Another could be that the Mad Hatter loses his memory and Alice has to help him remember who he is while also dealing with the chaos of Wonderland.
One idea could be that the mad scientist discovers Percy's demigod powers and tries to replicate them in a lab - creating some sort of artificial half - blood. Another could be that the mad scientist is working for a Titan and is using his inventions to try and defeat Percy and his friends. Or perhaps the mad scientist has created a time - traveling device and accidentally sends Percy to a time when the gods were first born, causing all sorts of chaos.
A possible plot for 'rwby mad scientist fanfiction' could involve a scientist who believes that the only way to truly defeat the Grimm is to become like them. So, he starts experimenting on himself, gradually turning into a half - Grimm, half - human being. This transformation gives him new powers but also makes him lose his sanity bit by bit. Meanwhile, the RWBY team has to figure out whether to stop him or use his newfound knowledge and power against the Grimm. Another plot could be a mad scientist who discovers a way to control the minds of the people in Vale. He uses this power to create chaos and start a war between the Huntsmen and the civilians. The RWBY girls then have to find the source of this mind control and stop the scientist before it's too late.
One characteristic could be the adaptation of Harriet's personality to fit into the Naruto world. For example, if Harriet is a headstrong character in her original context, in the fanfiction, she might have to use that trait to survive among the tough - minded ninjas. Also, the fanfiction might explore how the Naruto world's rules and magic affect Harriet and vice versa. This could lead to some really interesting story developments.
One idea could be a story about a new recruit joining the Female Furies. She has to prove herself in various trials and battles, facing off against some of DC's well - known villains in the process. This would show her growth from a novice to a respected member of the group.
Well, perhaps in the fanfiction, the pregnancy is a result of some strange magic that binds them even closer. They could start a journey to understand the meaning of this new life within Alice. The Mad Hatter might use his unique knowledge of Wonderland to search for something that can help Alice during her pregnancy, like a special herb or a magical item that eases her discomfort and ensures the baby's health.
One idea could be exploring the backstory of the father in more detail. Maybe there was a specific event that led him to his dark ways. Another could be creating an alternate ending where the protagonist manages to save not only herself but also the souls trapped in the mansion. A third idea might be to write a prequel fanfiction focusing on the relationship between the father and the mother before things went wrong.
One interesting plot idea could be that Naruto is transported to the world of Mad Moxxi. He has to use his ninja skills to survive in this new, lawless place. And Mad Moxxi sees his potential and decides to train him in her own ways, like using guns and dealing with the tough guys in her world.