One interesting MCU SI OC fanfiction could be where the self - insert (SI) character has unique powers and teams up with the Avengers in unexpected ways. For example, an SI with the power to manipulate time might help prevent Thanos from getting the Infinity Stones in the first place.
There are many where the OC (original character) is from a different dimension and has to adapt to the MCU universe. They could bring new technologies or magic that changes the course of events. Maybe an OC from a world of pure energy arrives and teaches the heroes new ways to fight enemies like Loki or Ultron.
One interesting MCU OC fanfiction could be about an OC with the power to manipulate time who teams up with the Avengers during the Endgame battle. This OC could use their power to reverse some of Thanos' actions in a unique way.
One idea could be creating a male OC who is a brilliant scientist from a small town. He discovers a new form of energy that attracts the attention of Tony Stark. Another could be a male OC with super speed who has to hide his powers until he's forced to use them to save a city. Maybe a male OC who is an alien prince stranded on Earth and has to learn about human culture while also trying to find a way back home.
One interesting Naruto OC SI fanfiction could be 'The New Ninja in Konoha'. In this story, the self - inserted character brings new jutsu and a different perspective to the village. They might have to deal with the existing power structures and make friends with the well - known characters like Naruto and Sasuke. Another great one could be where the OC SI has a special kekkei genkai that no one has seen before, which leads to a whole new set of adventures and challenges.
One interesting Si OC Tenten fanfiction could be about an OC who becomes Tenten's training partner. They go through various challenges together and help each other grow in their ninja skills.
Well, in some 'minato si oc fanfiction', the OC could be a time - traveler who meets Minato in his prime. This leads to the OC changing certain events in the Naruto universe with Minato's help, creating a whole new timeline full of unexpected twists and turns. They might even find a way to prevent some of the tragedies that occur in the original story.
First, decide on your SI or OC. Think about their personality, backstory, and what makes them unique. Are they a super - powered being or just an ordinary person in an extraordinary situation? Then, pick a starting point in the MCU timeline. It could be during the events of Iron Man or after Endgame.
An interesting MCU OC fanfic idea could be an OC who is a journalist. They are always on the hunt for the next big story about the superheroes. This could lead them into all sorts of dangerous situations as they try to get exclusive interviews or expose secrets. Another could be an OC who is a mutant in the MCU (even though mutants are not as prominent yet). This OC would have to deal with being different and feared, while also trying to use their powers for good. And a third idea is an OC who is a reformed villain. They were once on the wrong side but now want to make amends and help the heroes in their fight.
One idea could be that the male OC is a new superhero who saves the day in unique ways. His harem could consist of different female characters from the MCU, like a SHIELD agent, an Asgardian, and a Wakandan warrior. They are all attracted to his courage and his different perspective on heroism.
One popular one could be 'The New Avenger in the Harem'. It features an original character who has to navigate relationships within the MCU world. Another is 'Harem of Heroes' where the OC gets involved with multiple MCU heroes in an interesting way. There's also 'OC's Harem Adventure in the MCU' which has a unique plot of the OC's journey through the MCU with a harem aspect.
One interesting plotline could be an Original Character (OC) who has a unique survival skill that helps the group in ways they hadn't expected. For example, an OC who is a master of herbal medicine and can use plants to heal the sick and injured in the post - apocalyptic world of 'The 100'.