One potential new character could be a mysterious figure from another dimension who appears in Peter's world after Endgame. This character could have unique powers and a complex backstory that ties into the post - Endgame chaos. Also, there might be a new journalist character who is trying to expose Peter's identity, adding a whole new layer of drama to his life. There could also be a new mentor - like figure for Peter, someone who has a different perspective on being a hero compared to Tony Stark.
Potential new characters in 'Peter Parker after Endgame' fanfiction might include a street - smart kid who looks up to Peter and wants to be his sidekick. This would add a new dynamic to Peter's story as he has to take on a mentoring role. There could also be an alien refugee who has come to Earth because of the events of Endgame. The alien might have valuable knowledge or powers that Peter needs to access in order to face a new threat. And perhaps a government agent who is keeping an eye on Peter, thinking he might be a potential danger or an asset to the post - Endgame world.
MJ is an obvious choice. She has a connection with Peter in the MCU already. Then there could be Gwen Stacy, who is a classic love interest in the Spider - Man lore. Another potential character could be Black Cat. Her flirtatious nature would add an interesting dynamic to the harem.
One possible plotline could be Peter dealing with the long - term aftermath of Tony Stark's death. He might struggle with living up to Tony's legacy while also trying to find his own place in the post - Endgame world. Another could be Peter exploring new relationships, whether it's with his friends at school who have also been affected by the events, or new superhero allies.
It would deeply affect Tony Stark. Tony has been like a mentor to Peter, so his death would be a huge blow. Tony might blame himself for not being able to protect Peter.
There could be a new scientist who helps Peter with his web - shooter technology. Maybe this scientist has some secret knowledge about the symbiote or other aspects of Spider - Man's powers. Another new character could be a foreign exchange student at Peter's school who turns out to have some sort of superpower or connection to the superhero world. Or it could be a new villain's henchman who later has a change of heart and helps Peter.
It could be a single, kind - hearted scientist who sees Peter's potential and wants to give him a stable home. The scientist might also be interested in studying Peter's enhanced abilities in a more ethical way compared to some of the villains in the Spider - Man universe.
One possible scenario could be that Peter sacrifices himself to save others during a crucial battle in the Endgame - like situation in the fanfiction. Maybe he uses his powers to hold off a powerful enemy while the rest of the heroes complete a vital task.
There could be young ninjas who look up to Sasuke. They might be orphans of the war, and Sasuke takes them under his wing. These new characters would bring fresh energy and new storylines as Sasuke mentors them.
There could also be new characters created specifically for the fanfiction. Maybe a new love interest for one of the Peters, or a sidekick that is unique to this particular fan - made story. This new character could bring a fresh dynamic to the relationship between the two Peters.
Peter Parker might develop by becoming more of a leader. In the fanfiction, he could step up and take charge in certain situations, guiding the other heroes. This would be a big change from his more inexperienced self in the movies.
In the fanfiction, Peter Parker could have had a more emotional arc. He could have struggled more with the trauma of being 'dusted' and then coming back. This internal struggle might have affected his performance in the final battle. He could have been on the verge of giving up at some point, but then found the strength within himself to keep fighting, not just for his own survival, but for the future of the universe.