Well, the plot could be that the OC (Original Character) is reborn into the Avengers' world with some special powers. Maybe they start off as an unknown, but gradually gain the attention of the Avengers through their unique abilities, like being able to control an element that no one else can. Then they get involved in the Avengers' battles, helping them in unexpected ways.
A new, original villain created just for this fanfic could be the main antagonist. This villain could be a powerful sorcerer who has been observing the Avengers from the shadows. When the OC is reborn, they sense a disruption in the magical balance of the world. Believing the OC to be a threat to their own plans of ruling the world through magic, they set out to eliminate the OC and in the process, come into conflict with the Avengers.
He would be a bit of an outsider at first. The Avengers are used to a certain dynamic, and Batman's lone - wolf style would be different. But he could offer his strategic mind. Maybe he'd start by analyzing each member's strengths and weaknesses, like he does with his foes in Gotham.
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.
Avengers 4: Final Battle was a sci-fi film produced by Marvel Studios. The film was co-directed by Anthony Russell and Joe Russell. The main actors included Robert Downey Jr., Chris Evans, Chris Hemsworth, Mark Ruffalo, Scarlet Johansson, Jeremy Renner, Paul Rudd, Bree Larson, Don Cheadle, Karen Gilan, and Josh Brolin. This was the 22nd movie in the Marvel Cinematic Universe. After the devastating events of Avengers 3: Infinite War, the Avengers regrouped with the help of their remaining allies to reverse the past and create new hope. The film was released in China on April 24, 2019 and in the United States on April 26, 2019. The film was a huge global success, becoming the world's top box office in history, with global box office earnings reaching 2.7 billion US dollars.
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.