Well, perhaps the plot could involve Percy using her unique skills. She might have some kind of superhuman strength or agility. When she joins the Avengers, she could start off as a bit of an outsider. The other Avengers might be initially skeptical of her. But then she proves herself in a big battle, like against a powerful new villain. Maybe she has a special power that helps turn the tide of the fight.
It could be a powerful sorcerer who wants to steal Percy's powers. Since Percy might have some unique abilities, this sorcerer sees her as a key to gaining more power for himself. He could be creating chaos in the city to draw Percy out and then try to defeat the Avengers when they come to her aid.
The three Avengers could be Iron Man, Captain America and Thor. Iron Man could provide the high - tech gadgets and strategic thinking. Captain America would bring leadership and his combat skills. Thor with his godly powers like lightning and super strength would be a great addition. They would each have different interactions with Spiderman, for example, Iron Man might be like a mentor to him, while Thor could be more of a friendly rival in terms of strength.
Clint is often seen as the glue in Avengers fanfiction because he has connections to many of the characters. He's been on the team for a long time and has a unique relationship with each member. His loyalty and down - to - earth nature help hold the group together, even in tough times.
You can try websites like Archive of Our Own (AO3). It has a large collection of fanfiction on various topics, including Avengers watching Avengers Endgame. There are also some fanfiction sections on dedicated superhero forums where fans share their creative works.
Sometimes, the original Avengers themselves still play important roles in the Next Avengers fanfiction, even if they are more in the background as mentors or guides. Their presence still shapes the story and the development of the younger Next Avengers characters.
They might find it really strange and funny. Some of them could be amused by the creative interpretations of their characters, while others might be a bit embarrassed by the over - the - top scenarios in the fanfiction.
If the Avengers watched Avengers fanfiction, they would probably have a range of reactions. Hulk might not understand most of it and just get frustrated. Black Widow, on the other hand, would be very observant and might pick up on the different characterizations of herself. She could either like the more complex and nuanced versions or be annoyed by inaccurate portrayals. And Hawkeye might be indifferent at first, but then get drawn into the more action - packed and adventure - filled fanfictions.