In some fanfictions, the relationship between Tony and Peter is complex. Tony might kidnap Peter as a way to train him more intensively. He could think that the normal methods of training Peter aren't working fast enough, and by taking Peter away from his normal environment, he can push him to reach his full potential. However, this would be a very controversial and unethical way to go about it, which would create a lot of drama in the story.
Perhaps in this fanfiction, Tony Stark has lost his mind a bit. He could be under the influence of some sort of alien technology or a powerful spell that makes him see Peter as a threat. This could lead to him kidnapping Peter in order to neutralize what he perceives as a danger. But as the story progresses, he might start to come to his senses and realize his mistake.
In a fanfiction sense, Tony might kidnap Peter due to a misunderstanding. For example, if Peter was involved in some sort of experiment that Tony misinterprets as dangerous. He could be worried that Peter is being influenced by the wrong people or powers, so he kidnaps him to figure out what's really going on. Tony's actions, although extreme, could be driven by his love and concern for Peter as a mentor.
The idea of Sasuke kidnapping Sakura in fanfiction is quite interesting. It could be used to explore different aspects of their personalities. Sasuke is often seen as a brooding and complex character. By kidnapping Sakura, he could be showing his possessive side or his insecurities. Sakura, on the other hand, would have to show her strength and resilience in such a difficult situation. She might try to talk some sense into Sasuke or find a way to escape on her own. This kind of plot can create a lot of tension and excitement in the fanfiction.
One possible reason could be a disagreement over superhero tactics. Peter, being young and idealistic, might yell at Tony if he thought Tony's methods were too extreme or not in line with his own sense of justice. For example, if Tony made a decision during a battle that put civilians at risk, Peter would likely be very vocal about it.
On the other hand, it could also be a turning point for the better. Sometimes a big outburst like that can clear the air. They might realize they've been misunderstanding each other and start to work on their relationship more effectively after the initial shock of the yelling.
The relationship can start out a bit rocky in some fanfictions. Tony may be initially dismissive of Peter as just a kid. But as Peter shows his capabilities, Tony starts to take him more seriously. They then start to bond over their love for science and technology. Peter is eager to learn from Tony, and Tony enjoys teaching Peter new things. This mutual exchange helps their relationship grow from a mentor - mentee one to a true friendship.
One possible reason could be that Tony Stark is being overly critical of Peter's superhero work. Maybe Peter made a big mistake during a mission, and Tony's harsh words in his attempt to correct Peter made him cry. For example, if Peter accidentally put civilians in danger and Tony scolded him severely.
Well, the story might start with Tony stumbling upon baby Peter by some chance, like during a visit to an orphanage or a scientific event. Tony, being the genius and having a soft heart deep down, feels an instant connection. He adopts Peter and begins to groom him to be a great person. Peter grows up learning from Tony's vast knowledge of technology and also gets exposed to the Avengers world early on, which shapes his view of heroism.
One possible plot twist could be that Peter's identity as Spider - Man is revealed to the public much earlier than in the original story. Since Tony Stark is his adopted father, he has to use all his resources and influence to protect Peter from the various threats that come with this exposure. This could lead to a lot of interesting scenarios, like Stark having to face off against some of his own business rivals who might want to use Peter's powers for their own gain.
Suppose a new supervillain emerges who has the power to nullify technology and magic separately. This puts both Dr Strange and Tony Stark at a disadvantage. But with Peter Parker's quick thinking and unique skills, they find a way to combine their powers in an unexpected way to defeat the villain.
One aspect of such fanfictions could be the way it challenges the traditional gender roles in superhero stories. Since male pregnancy is not a common concept in the original superhero lore, it can lead to interesting plot twists. For example, it might change the way they approach their superhero duties while also dealing with the physical and emotional changes that come with pregnancy.