I think Spider - Man is quite popular in 'Infinity War Aftermath Fanfiction'. His sudden disappearance was really sad, and fans like to imagine his return. Black Widow also has a lot of fans writing about her. She's a strong and complex character, and in the aftermath, she could be involved in many important decisions and actions to try and fix the situation.
Thor is really popular. After all that he's been through in Infinity War, fans want to see how he copes in the aftermath. Captain Marvel is also a favorite. She's so powerful and her arrival in the MCU added a new dynamic. In fanfictions, she could play a major role in dealing with the consequences of Infinity War.
Definitely Doctor Strange. Since he had a major role in Infinity War and his actions were so mysterious, many fanfictions explore his further plans post - Snap. Another popular one is Captain America. People love to write about how he continues to inspire hope among the survivors.
Nebula is an interesting choice as well. She has a complex relationship with Thanos and has been through a lot. In the aftermath, she could be a key figure in trying to find a way to undo what Thanos has done. Also, her unique skills and knowledge of different parts of the universe could play an important role in the fanfic.
Captain Marvel is also very popular. Since she's so powerful, fanfiction often has her playing a major role in the fight against the remaining threats and in the restoration of the universe.
Surely the remaining Avengers like Iron Man, Captain America, and Thor are important. They are likely to be at the forefront of trying to fix things. Also, characters like Black Widow who are strategic thinkers would play a crucial role.
Doctor Strange is often a popular character. Given his knowledge of the mystic arts and his ability to see different futures in the movie, it makes sense that he would play a key role in time travel fanfiction. He could use his powers to manipulate time more precisely.
Definitely Tony Stark. He has always been a fan favorite, and after Infinity War, his guilt and determination to fix things are really interesting to write about. Another popular one is Nebula. Her backstory and her relationship with Thanos make her a complex character that can be explored a lot in fanfiction. And Scarlet Witch is also popular. Her power is so great, and in the post - Infinity War scenario, she could be a key player in either revenge or redemption stories.
Some of the key characters are the remaining Avengers. Iron Man, Captain America, and Thor are still important figures in the novel as they try to deal with the situation. Also, characters like Black Widow who are trying to hold things together on Earth.
One of the most impactful storylines could be Peter Parker dealing with the loss of his mentor, Tony Stark. In the aftermath of Infinity War, Peter is left without the guidance and support he had come to rely on. This could lead to him struggling with his identity as Spider - Man and his place in the post - Snap world. Another storyline might involve how the remaining heroes look to him as a symbol of hope, despite his own insecurities.
Wanda Maximoff could also be the main character. After losing Vision, she could be on a rampage. But then she realizes that she needs to control her powers and use them for the greater good. She could be a key player in trying to bring back the vanished ones and fighting any new threats that emerged after Infinity War.
Tony Stark is also very popular. His quick wit, technological genius, and the emotional journey he goes through in Infinity War give a lot of material for fan fiction. Writers can create stories about his internal struggles, his attempts to outsmart Thanos, or his relationships with the other Avengers.