Black Widow and Arcee would be an exciting pairing. Black Widow is a skilled spy and fighter, and Arcee is a fierce female Transformer. They could exchange combat skills and stealth techniques. Black Widow could learn some new moves from Arcee's acrobatic fighting style, and Arcee could learn about human espionage from Black Widow.
Iron Man and Bumblebee would make a great pair. Iron Man is a genius when it comes to technology, and Bumblebee is a high - tech Transformer. They could work together to improve each other's technology. Maybe Iron Man could help Bumblebee fix his voice box, and Bumblebee could show Iron Man some unique Cybertronian engineering.
Optimus Prime and Captain America would be really interesting. They are both natural leaders, with a strong sense of justice. Optimus is a noble leader of the Autobots, and Captain America is the moral compass of the Avengers. They could share their leadership experiences and strategies.
Optimus Prime and Thor would be a really interesting pairing. They are both noble leaders. Optimus with his wisdom and strength, and Thor with his godly powers. They could exchange ideas about leadership and honor while fighting side by side against powerful foes. Their weapons are also quite interesting to compare - Optimus' ion blaster and Thor's hammer.
Yang and Ironhide could be a great pairing. Yang is tough and loves a good fight, and Ironhide is a no - nonsense Autobot who is always ready for combat. They could bond over their shared love of getting into the thick of battle. Yang could also learn some new combat moves from Ironhide, and Ironhide could be impressed by Yang's Semblance and how she uses it in battle.
Definitely the Flash and Iron Man. Tony Stark's high - tech gadgets and intelligence combined with the Flash's super - speed would make for some really cool scenes. They could work together on building some sort of super - fast vehicle or weapon. Another interesting pairing would be the Flash and Captain America. Steve Rogers' leadership and combat skills along with the Flash's speed could be a great combination for taking on enemies. The Flash could quickly get Steve into strategic positions during battles.
Inuyasha and Thor would be an interesting pairing. They both have a warrior - like nature. Thor with his hammer and Inuyasha with his sword could have some epic battles together against common enemies. They might also exchange stories about their different worlds and the powers they possess.
Definitely Captain America and Ikaris. Captain America represents the best of human values and leadership. Ikaris has his own strong sense of duty among the Eternals. They could bond over their similar leadership qualities and also learn from each other's different combat and strategic approaches. And then there's Hulk and Thena. Thena's combat skills and Hulk's brute strength could be a very volatile but also exciting combination when they face a tough enemy.
Definitely Naruto and Iron Man. Naruto is this energetic, determined ninja, and Iron Man is this brilliant, sarcastic inventor. Their personalities are so different yet they could learn a lot from each other. Iron Man could be intrigued by Naruto's chakra system and try to replicate it in some way, while Naruto would be fascinated by all of Iron Man's high - tech gadgets.
Supergirl and Black Widow would be a great pairing too. Black Widow could teach Supergirl some stealth and espionage skills, while Supergirl could show Black Widow the power of flight and super - strength. They could also bond over their experiences of being different in their respective worlds.
I think Thor and Wonder Woman would make an amazing pair. They both come from god - like lineages. Thor with his Asgardian powers and Wonder Woman with her Amazonian and divine powers could have some epic battles together against common foes. Their different yet powerful fighting styles would complement each other well.
For an Arrow - Avengers crossover fanfiction, some really interesting character pairings could emerge. For instance, Malcolm Merlyn and Loki. Malcolm is a master manipulator and Loki is the God of Mischief. They could either team up to cause chaos or be in a constant battle of wits. Also, Cisco Ramon from The Flash (since he often crosses over with Arrow) and Bruce Banner. Cisco could be fascinated by Banner's scientific knowledge and Banner could be interested in Cisco's work on the multiverse. And of course, Quentin Lance and Nick Fury. Quentin, as a police detective, and Nick Fury, as the head of S.H.I.E.L.D., could share their insights on how to keep their respective cities and the world safe.
Definitely Daredevil and Black Widow. Daredevil's enhanced senses and martial arts skills combined with Black Widow's espionage expertise and combat abilities would make for an exciting duo. They could work together on a stealth mission, with Daredevil using his senses to detect hidden threats and Black Widow using her gadgets and charm to get them in and out of dangerous situations.