One interesting Robin x Supergirl fanfiction could be about them teaming up to save the world from a new super - villain. In this story, Robin's strategic mind and combat skills combined with Supergirl's super - powers make for an unbeatable duo.
A great Robin x Supergirl fanfiction could be set in an alternate universe. Maybe in this universe, Robin has some super - powers too. They meet at a superhero convention and quickly realize they have a lot in common. As they start working together on small - scale missions in their city, their relationship blossoms into a romantic one.
One interesting storyline could be them teaming up to face a powerful new villain that neither of them can defeat alone. They combine Robin's strategic mind and Supergirl's super strength to outwit the enemy.
One possible story could be about a male robin's adventure where the 'chrom' element represents a special power or ability that he discovers. For example, he might use this chrom - related power to protect his nest from predators.
You can start by looking on popular fanfiction websites like Archive of Our Own (AO3). It has a large collection of fan - created works, and you're likely to find some great Robin x Supergirl stories there.
One great 'Robin x Robin fanfiction' is 'The Dual Rogues'. It has an interesting plot where the two Robins team up against a new and powerful villain in Gotham. The story does a great job of showing their different fighting styles and how they complement each other.
One plot idea could be that Supergirl and Batgirl team up to take on a new super - villain in Gotham. This villain has the ability to manipulate technology and is causing chaos. They combine Supergirl's super strength and flight with Batgirl's detective skills and martial arts expertise. Another idea is that they are transported to an alternate dimension where they have to find a way back home while facing different versions of their friends and foes. And a third idea could be that a powerful alien artifact is found in Metropolis and both girls must protect it from various forces that want to use it for evil, all while learning more about each other's worlds and abilities.
One idea could be a time - travel plot where Robin from the present meets a younger Lucina. They could initially be at odds due to their different understandings of the future and past events. But as they spend time together, they start to understand each other and develop feelings. Another plot could be set during a war where they have to fight side by side and rely on each other's skills. This shared experience could bring them closer. A third idea is a story where they meet in a peaceful village and help the villagers together. Through their acts of kindness, they fall in love.
Maybe a plot where Robin and Harley get transported to an alternate dimension. In this new world, they have to rely on each other completely to find a way back home. Along the way, they face strange versions of their friends and foes, and their relationship evolves as they face these challenges together.
There are also fanfictions that focus on the emotional support they can offer each other. Chopper, being the doctor, can take care of Robin when she's injured, and Robin, with her knowledge and wisdom, can be a source of comfort for Chopper when he's doubting himself. This mutual support often forms the basis of a heart - warming relationship in the fanfictions.
One interesting story could be about them going on a mission together outside of National City. They face an unexpected enemy and have to rely on each other's skills. Alex uses her combat training and Maggie her detective skills to solve the mystery.
There might be a fanfiction where Supergirl and Wonder Girl have a friendly competition to see who can perform more heroic deeds in a day. This could involve them racing to stop bank robberies, rescue kittens from trees, and help old ladies cross the street. It shows their competitive yet friendly relationship.