Perhaps the ladybug is a messenger from another world. When it enters the classroom, it starts to communicate with the teacher through some sort of telepathy. The teacher then has to figure out how to convey the ladybug's message to the students. This could lead to an adventure where the students and the teacher have to follow the ladybug's instructions to save their school or even the whole world.
Maybe she was framed by an Akuma - influenced villain. In the 'Miraculous Ladybug' world, this is quite likely. Her arrest could be part of a larger scheme to distract Ladybug and Chat Noir. So, Ladybug might have to balance her superhero duties with clearing Marinette's name, which would be a really interesting plot twist.
Another thing that could occur is that their relationship dynamic would completely change. Instead of the usual cat - and - mouse game between Adrien and Marinette (where Marinette is shy around Adrien), Adrien could be more open and direct with her. Since he knows her big secret, he might feel a stronger connection to her and try to get closer in a different way than before.
Maybe Marinette (as Ladybug) gets a truth about Adrien (Chat Noir) that she has been dying to know. For example, if he has ever had feelings for her outside of their superhero personas. This would make for an interesting plot twist, as it could either bring them closer together or create some awkwardness between them depending on his answer.
Well, one possibility is that Will starts to have visions that Vecna uses to manipulate the other characters. He might show them false images of their worst fears, leading to chaos within the group. For example, he could make Eleven see herself losing her powers and being unable to protect her friends.
Well, he could be magically healed by one of his friends. Maybe Lucy uses her celestial magic to call a spirit with healing powers.
In a raven gets injured fanfiction, one possibility is that the other characters in the story would rush to her aid. They might use their special powers or skills to heal her. For example, if it's a superhero - themed fanfiction, a character with healing abilities could try to mend her wounds.
Another scenario could be that the kidnappers have some sort of ulterior motive related to Sora's special powers. They might try to extract that power from him, but Sora, being the strong - willed character he is, would fight back in some way, even while being held captive.
Perhaps she'll use her own abilities to escape. Sarada is a strong and intelligent ninja. She could outwit the kidnappers, find a weakness in their security, and make a run for it. For example, she could use her Sharingan to deceive them or find a hidden passage if she's locked in a room.
Well, in the fanfiction, Team 7 might face new and more powerful enemies. With the Sharingan, they could gain enhanced combat abilities. For example, Naruto could use the Sharingan's predictive abilities to better dodge attacks and plan his own offensive moves. Sasuke, already having the Sharingan, might unlock new forms or powers related to it. Sakura could also benefit in terms of her medical ninjutsu, perhaps using the Sharingan to better analyze and treat complex injuries. This would change the dynamics of the team and lead to more exciting adventures.
He might cut off the person who cheated on him completely. He's a hero with strong morals, so he may not tolerate that kind of behavior easily.