Iron Man would probably be the most interested. He's always into new technology and Spider - Man's web - shooters would be something he'd love to study and maybe even improve.
I think Peter has a certain charm that would appeal to Thor. Thor, being from a different world himself, might find Peter's fish - out - of - water experiences in Europe quite relatable. He'd be interested in seeing how Peter deals with the new challenges, especially the ones that are different from the battles in New York. Also, Thor loves a good adventure, and Peter's movie is full of that.
Captain America could be his best partner. Cap has great leadership skills and a strong moral compass. He could teach Spider - Man a lot about being a hero in terms of responsibility and making the right decisions. Also, Spider - Man's acrobatic fighting style would complement Cap's more straightforward combat approach.
Obviously, Spider - Man himself is very popular. His relatable nature as a young hero trying to balance his normal life and superhero duties makes him a central figure. The Avengers like Iron Man are also popular in these fanfictions. His high - tech gadgets and his mentorship - like relationship with Spider - Man in the official stories often carry over into fanfiction, creating interesting dynamics.
I think Spider - Man himself would be the most interesting. He's a young and relatively inexperienced hero compared to the Avengers. His different perspective and his unique powers like climbing walls and the spider - sense would add a lot of flavor to the story. He could also bring in a sense of humor and a bit of naivete that would contrast with the more jaded Avengers.
It's really hard to say. Spider - Man is extremely agile and has his spider - sense which gives him an edge in combat. But the Avengers have so many powerful members. Iron Man has his high - tech suits, Thor has his hammer and god - like powers, and Hulk has his brute strength. If it's a one - on - one fight against most of the Avengers, Spider - Man might be at a disadvantage, but if he can use his environment and his web - slinging to his advantage, he could hold his own for a while.
Captain America would be a likely candidate. He's all about justice and if he thought Spider - Man was doing something wrong, he'd go after him. Also, Iron Man. He's often quick to act and if he saw Spider - Man as a threat to his technology or the safety of the world, he'd be on the chase. Black Widow too, as she's used to tracking down targets and if she was given the order to bring in Spider - Man, she'd do it.
Spider - Man himself is extremely popular. His relatable backstory of being an ordinary teenager turned superhero makes him a fan favorite. Fans love to see how he interacts with the more powerful and experienced Avengers.
Spider - Man himself is extremely popular. His relatable nature as a young hero trying to balance his normal life and superhero duties makes him a central figure. Also, Iron Man is often a popular character in these crossovers. His high - tech gadgets and cocky personality add a lot of flavor to the stories.
Black Widow is another popular character. She can bring her espionage skills to the table in a crossover. In fanfiction, she might team up with Spider - Man on a stealth mission. Her ability to blend in and gather information, along with Spider - Man's agility and spider - sense, could make for an exciting adventure.
The interaction between Spider - Man and Iron Man would be really interesting. Iron Man could be like a mentor to Spider - Man, providing him with new and advanced technology for his suit. Spider - Man, on the other hand, could teach Iron Man a thing or two about being a more down - to - earth hero, as he often deals with street - level crime. Their banter would be great, with Iron Man making sarcastic remarks and Spider - Man coming back with his quick - witted responses.