The plot could involve Magneto's son being on a mission to stop Magneto's more violent plans. When they meet, it's a clash of ideologies. Magneto believes in a more forceful approach to mutant rights, while his son believes in peaceful coexistence. However, during their interactions, they both learn from each other. The son might show Magneto that there are humans who are willing to accept mutants, and Magneto might teach his son about the importance of standing up for mutants in a tough world.
Well, it could be an original character who was hidden away from Magneto for some reason. Maybe a human - mutant hybrid that Magneto didn't know about. This son could have powers that are not fully developed at first, and through his encounter with Magneto, he starts to discover and master his abilities. He could be a character who was raised by a family that was against Magneto's ideas, so there's a lot of conflict when they meet.
Well, one possibility could be that Naruto is somehow transported to the X - Men universe where Magneto exists. Magneto, being a powerful mutant with control over magnetism, might force Naruto to obey him using his powers. Naruto, with his own set of skills and determination, could be in a constant struggle between following Magneto's orders and trying to find a way back to his own world. He might also learn some new abilities or ways of thinking from Magneto's methods of leadership and power - wielding.
In a fanfiction scenario where Will Turner meets his son, it could be a complex encounter. His son could be resentful at first, having grown up without a father. Will would have to earn his son's trust. They could end up on a journey to discover more about their family history. Along the way, they'd learn about each other's personalities, likes and dislikes. For example, they might find out they both have a fascination with certain sea creatures. This could lead to a deeper understanding and a new - found family bond.
Well, in this kind of fanfiction, Stoick might be shocked at first to meet his future son. He could see the boy's potential and start to train him early. Maybe they'll go on an adventure together and Stoick would learn things about his son that he never expected.
One possible plot could be that Kakashi, while on a mission in a mysterious forest, stumbles upon a strange and powerful force. As he investigates, he is suddenly transported to a different realm where he meets his mother. His mother reveals secrets about his family's past and the origin of his Sharingan. Then they have an emotional conversation about how much she missed seeing him grow up.
One possible plot could be that the Joker discovers he has a daughter he never knew about. At first, he might be skeptical or even angry. But as he spends time with her, he starts to feel a strange sense of protectiveness. He tries to keep her away from his criminal life, but his enemies find out about her and then he has to fight to keep her safe.
Maybe in the fanfiction, Superman meets his parents through some time - traveling or interdimensional portal. His parents are brought to Earth. They are amazed by how their son has adapted to this new planet. They might help him understand more about his Kryptonian heritage and powers. For example, they could teach him some long - forgotten Kryptonian techniques that make him even more powerful in his fight for justice.
Well, one possibility could be that his father reveals some long - held family secrets. Maybe he tells Starlord about a powerful heritage or a hidden mission that only their family can undertake.
Well, it might be that in the fanfiction, there's a parallel universe where Batman's parents didn't die. So he meets them in this alternate reality. He has to adjust to a world where he doesn't need to be the brooding vigilante. Instead, he gets to experience a normal family life, but he also realizes the importance of his role in his own universe and takes some valuable lessons back with him.
In the fanfiction, the daughter might be from an alternate timeline. Batman meets her when she accidentally travels to his Gotham. She has her own set of skills, which she learned from stories about her father. They team up to fight a new supervillain who is threatening the city, and during this time, Batman realizes how much he missed out on having a family life.