Definitely Ben and Spider - Man themselves. Their different power sets and personalities make for an exciting combination.
Sometimes, Vilgax from Ben 10 is paired with some of Spider - Man's villains like Green Goblin. It creates a really menacing and powerful duo that the heroes have to face, which makes for a very intense and action - packed fanfiction.
Peter Parker himself is of course extremely popular. He's the main character, and fans love to explore different aspects of his life, both as Spider - Man and as a regular guy. Mary Jane is also popular. Writers often use her to add a romantic and emotional element to the stories.
Obviously, Spider - Man himself, Peter Parker, is one of the most popular characters. He's the central figure, and all the stories revolve around him. Another popular character is probably Mary Jane. She has a special relationship with Peter, and her character often adds an emotional depth to the stories. And of course, villains like Venom are also very popular. Venom's menacing presence and his complex relationship with Spider - Man make for great fanfiction material.
Spider - Man himself is obviously very popular. He's the central character, and all the stories revolve around him in some way.
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.
Some fanfiction also pairs King Shark with Spider - Man. King Shark's brute strength and his fish - out - of - water (no pun intended) situation in the city can lead to some humorous and action - packed scenarios when he crosses paths with Spider - Man.
Peter Parker as Spider - Man is obviously a popular character. He's the main protagonist. Venom is often a popular character in fanfictions as well. His dark and menacing nature contrasts with Spider - Man's heroic side. Mary Jane might also be popular as she is an important part of Spider - Man's story. Another could be Harry Osborn, as his relationship with Peter is always an interesting aspect to explore in fanfictions.
Iron Man is also often paired with Spider Man. Given their connection in the official Marvel universe, in fanfiction, they can have all kinds of adventures together. It could be Iron Man mentoring Spider Man, or them working together to solve a global crisis that requires both their technological and super - powered skills.
Definitely Spider - Man himself. His popularity from the original comics and shows makes him a central figure. In the fanfiction, his unique powers and quippy personality are likely to draw a lot of attention.
Spider - Man and Iron Man are really popular. They have a mentor - mentee kind of relationship in many fanfictions. Iron Man can offer his technological expertise to Spider - Man, and Spider - Man can bring his fresh perspective and street - level heroism to the table.
Well, obviously Spider - Man himself, Peter Parker. He's the main character, and all the stories revolve around him. But other popular characters are his friends like Harry Osborn. Harry has a complex relationship with Peter, and their friendship can be explored in many ways, especially considering Harry's family issues with his father being the Green Goblin. Another popular character is Mary Jane. She can be a love interest, a source of support, or even get involved in some of Spider - Man's adventures.