They would probably start off on a rocky note. Marinette, used to working with Adrien as Chat Noir, would find Felix's different approach a bit difficult to handle. But as they face the villains together, they would start to understand each other's strengths. Marinette's creativity in coming up with plans and Felix's strategic thinking would complement each other, leading to a stronger bond.
If they had to work together to save Paris, Marinette would bring her positive energy and her ability to think on her feet. Felix, on the other hand, would contribute his cool-headedness and analytical skills. As they fight side by side, they would share their fears and hopes. Marinette might open up about her insecurities as Ladybug, and Felix would share his own past traumas. This deep sharing would create a very special relationship between them, one that goes beyond just being allies in saving Paris.
In an alternate universe where the Miraculous holders are more like superheroes in a traditional sense, Felix and Marinette could start as rivals. They both want to be the top hero in the city. But as they face bigger threats together, they realize they are stronger as a team. This mutual respect could turn into love over time as they see each other's true selves.
One possible scenario in this fanfiction could be that Marinette and Chloe start off as rivals as in the original series. But then, through a series of events, like working together on a school project. They begin to understand each other better. Marinette realizes that Chloe's brash behavior is often a cover - up for her insecurities. And Chloe starts to see Marinette's kindness and determination not as weaknesses but as strengths. This new understanding could lead to a tentative friendship, which would be a great development in the fanfiction.
One interesting plot could be Felix discovers Marinette's secret identity as Ladybug by accident. He then has to decide whether to use this information for his own gain or keep it a secret. Maybe he starts to develop feelings for her because of her dual identity and the strength she shows as Ladybug.
One plot idea could be that Marinette and Felix are paired up for a school project. Felix, initially cold, starts to see Marinette's kindness and creativity, and they develop an unexpected friendship. This could lead to some comical moments as Marinette tries to hide her Ladybug identity from him while Felix is being his usual perceptive self.
In many Miraculous Ladybug fanfictions, Felix and Adrien have a relationship that is shaped by their family ties and their individual personalities. Felix, being the more aloof of the two, might initially seem at odds with Adrien's sunny disposition. However, as the story progresses in the fanfiction, they could end up bonding over shared experiences or family secrets. There could also be scenarios where Felix's actions either help or hinder Adrien in his superhero duties as Chat Noir, adding an interesting layer to their relationship.
In Miraculous Ladybug fanfiction, Marinette and Luka often have a very sweet relationship. Luka is shown as a supportive character. He is someone who can sense Marinette's emotions quite well. In many fanfictions, he becomes a source of comfort for Marinette, especially when she is stressed about her superhero duties as Ladybug or her regular life problems like school and friendships.
One possibility could be that in the fanfiction, all of Marinette's friends plan a huge surprise party for her. They decorate her room with pink and white balloons, her favorite colors. Alya might be in charge of inviting everyone secretly, while Adrien brings a special, handmade gift that he's been working on for weeks, showing his deep affection for Marinette in a way that's still in - character for the show.
A simple reason for Marinette's depression could be the stress of her double life. Juggling school, friends, and being Ladybug is just too much for her, so she gets depressed.
There are many interesting aspects in fanfictions regarding Marinette's armor in Miraculous Ladybug. One possibility could be that the armor gives her enhanced powers, like being more resistant to akuma attacks. Maybe it has special designs that are related to her Ladybug identity, with red and black patterns that are more intricate than her normal suit.
Physically, Marinette's strength as Ladybug can be explored in fanfiction. She has to be in good shape to perform all those acrobatic moves while fighting akumas. Fanfictions might depict her training hard in her spare time to improve her physical strength. For instance, she could be shown doing parkour in the city at night to practice her agility and build up her leg muscles for those high jumps she often does during battles.