Well, in such a fanfiction, Stefan Salvatore could befriend Captain America. Stefan's sense of honor and his self - control as a vampire would resonate with Captain America's values. They could work together to stop Loki who has somehow made a deal with a powerful vampire coven in The Vampire Diaries universe. Loki might be using the vampires to create chaos on Earth, and Stefan and Captain America would lead the charge to stop him, with Stefan using his vampire speed and strength and Captain America his combat skills and leadership.
A Vampire Diaries and Avengers crossover might involve Elena Gilbert getting some sort of power that attracts the attention of the Avengers. For example, she could be turned into a special kind of vampire - human hybrid with unique abilities like mind - control. The Avengers, especially Thor with his knowledge of otherworldly things, would be intrigued and try to figure out if she's a threat or an ally. Meanwhile, the vampires in Mystic Falls might see the Avengers as a new force to reckon with in their territory.
It could be really exciting. Maybe Damon Salvatore from Vampire Diaries teams up with Iron Man. Damon's charm and his vampire skills combined with Iron Man's high - tech gadgets would make for some epic battles against common enemies. They could be fighting against a new breed of super - vampires created by Hydra or something like that.
Imagine if Elena Gilbert was somehow connected to an Infinity Stone. This would draw the attention of Thanos, but also the Avengers. The Vampire Diaries characters would have to protect Elena while also dealing with the fact that the Avengers are now in their small town. There could be a lot of mistrust at first, but as they learn more about each other's motives and capabilities, they form an alliance to keep the Infinity Stone out of Thanos' hands.
If we consider the Hulk, he would be a very intimidating presence to the vampires. But the vampires, especially someone like Klaus Mikaelson, wouldn't be easily intimidated. Klaus might see the Hulk as a worthy opponent or a potential tool in his power - hungry schemes. On the other hand, Natasha Romanoff could bond with Caroline Forbes over their strong female personalities. They could share fighting techniques and strategies. And Thor would be quite fascinated by the different supernatural elements in Mystic Falls, seeing it as another realm of mystery similar to Asgard.
A 'glee avengers crossover fanfiction' might involve the characters' unique abilities combining in unexpected ways. For example, Iron Man could use his tech to enhance the Glee club's stage effects. The Glee characters could introduce the Avengers to the power of music and performance to boost their morale. It could also be a story about how the two groups learn from each other's values, like the Avengers' sense of justice and the Glee club's unity through music.
In a 'batman and avengers crossover fanfiction', it could start with Batman being mysteriously transported to the Avengers' universe. He'd be a bit of a loner compared to the team - based Avengers. However, his intelligence would shine as he helps them deal with threats they've never faced before. For instance, against a new type of enemy that can't be defeated by brute force alone. Batman's utility belt and his ability to plan ahead would be crucial in such a crossover. He might even teach the Avengers a thing or two about being more strategic in their battles.
A 'Avengers Supergirl Crossover Fanfiction' might involve Supergirl's Kryptonian powers being a mystery to the Avengers at first. She could show off her super strength, heat vision, and flight, and the Avengers would be in awe. Then they'd start to strategize together. For example, Captain America would lead the group with his military tactics, while Supergirl uses her powers to do the heavy - hitting. And Hulk and Supergirl could have a fun interaction comparing their strength.
Well, it could be really cool. Maybe the heroes from Boku no Hero Academia and the Avengers would team up to fight a common super - villain. For example, All Might and Captain America could lead the charge, with their strong sense of justice and leadership. The quirks of the BNHA characters combined with the powers of the Avengers would make for some epic battle scenes.
One possible plot could be that the Avengers are investigating a series of strange disappearances in a small town. They soon discover that vampires from The Vampire Diaries' world are behind it. There could be a face - off between Thor's hammer and the super - strength of some of the older vampires. Maybe Damon could team up with Iron Man, with their shared sarcastic sense of humor, to outwit the main villain who is causing chaos in both their worlds.
I think Tony Stark and Damon Salvatore would be very likely to interact. Tony with his high - tech gadgets and Damon with his vampire charm and quick - witted nature. They could have some really interesting banter, like trading sarcastic remarks while trying to solve a common problem.
Another great pairing could be Caroline Forbes and Black Widow. Caroline is a strong - willed vampire who has grown a lot throughout The Vampire Diaries. Black Widow is a highly skilled spy and fighter. They could bond over their shared experiences of having to be tough in male - dominated worlds. Maybe they would train together, with Caroline teaching Black Widow some vampire - related combat skills and Black Widow showing Caroline some new spy techniques.
It could be amazing. Maybe Percy uses his water - controlling powers to help the Avengers during a flood - like attack in New York. He could team up with Thor, who also has powers related to a natural element. They'd make a great duo fighting off villains.