Another possibility is Black Widow and Mai Valentine. Black Widow is a skilled spy and fighter, and Mai is a strong and independent female character in the Yu - Gi - Oh universe. They could bond over their femininity in a world dominated by male heroes. They would be able to share their combat skills and knowledge, and form an alliance to help the overall team in the crossover.
I think Yugi and Captain America would be likely to form an alliance first. Yugi is a kind - hearted and brave character, and Captain America is all about justice and leadership. They would recognize these qualities in each other quickly and start to work together to face the challenges in the crossover situation.
Jaden from Yu - Gi - Oh GX and Yusei from Yu - Gi - Oh 5DS are very likely to form an alliance. Jaden is known for his enthusiastic and adaptable dueling style, and he is always up for a challenge. Yusei, on the other hand, is a strategic and determined duelist. Their combination would be great as Jaden's out - of - the - box thinking could complement Yusei's well - planned strategies. They could face any enemy that comes their way with confidence.
I think Harry Potter and Captain America would be likely to form an alliance. Harry is a natural leader who has faced great evil in his world, and Captain America is all about justice and doing what's right. They would respect each other's values and leadership skills. They could lead their respective teams, the Hogwarts students and the Avengers, in the fight against the common enemies like Voldemort and Thanos.
Probably Naruto and Iron Man. Iron Man is always interested in new technology and abilities. When he sees Naruto's unique ninja abilities, especially the jutsu like Rasengan which is like a concentrated energy attack, he would be intrigued. Naruto, on the other hand, would be interested in Iron Man's high - tech gadgets. So they would start an alliance based on mutual curiosity and the potential of combining their skills.
It could also be Annabeth and Black Widow. Both are highly intelligent and strategic. Annabeth's knowledge of architecture and ancient languages might be useful to Black Widow in certain situations, like deciphering an ancient code related to a new threat. Black Widow, in turn, could teach Annabeth some self - defense and espionage skills. They would see the value in each other's abilities and form an alliance quickly.
Another possibility is that Tony Stark and Nami would be the first to start an alliance. Nami is always interested in valuable things, and Tony has a lot of high - tech gadgets. They could start a business - like relationship at first, with Nami being intrigued by Stark's technology and Stark being impressed by Nami's navigation skills and her ability to handle money. This could then lead to a full - fledged alliance between the two groups.
I think Hamilton and Captain America would be likely to form an alliance. They both have strong beliefs in justice and freedom. Captain America fought for his country in a different time, and Hamilton was a key figure in the American Revolution. They could understand each other's values and work together towards some common goals, whether it's about protecting the people or promoting certain ideals.
I think Captain America from the Avengers would be one of the first to consider an alliance. He's all about justice and protecting the world, and when he sees the SG1 team's efforts in exploring and protecting the galaxy, he would recognize their similar goals. Also, Daniel Jackson from SG1 is very open - minded and interested in different cultures and people, so he would be quick to see the potential in teaming up with the Avengers.
Ruby would be a likely candidate. She is the leader of Team RWBY and has an open - minded nature. She would be able to see beyond Godzilla's initial appearance as a threat and might try to communicate with it. Yang, with her fearless attitude, could also be part of the alliance. She is not afraid to face powerful opponents and would be willing to fight alongside Godzilla if it means protecting the world. Blake, given her experience with different species and her ability to empathize, could also be part of the group that tries to form an alliance with Godzilla.
Probably Henry and Babe. Henry is used to taking charge and being a leader in his world of fighting crime. Babe is the creative and business - minded leader of the Game Shakers. They both have strong personalities and leadership qualities. So, when they first meet in a crossover situation, they would likely recognize those qualities in each other and form an alliance quickly to deal with whatever problem has brought their two worlds together.
Ash from Pokemon and Yugi from Yu - Gi - Oh would be really interesting. Ash is a fearless and determined Pokemon trainer, while Yugi is a strategic and kind - hearted duelist. Their different personalities and skills would create a great dynamic. They could learn from each other, like Ash teaching Yugi about the bond between a trainer and a Pokemon, and Yugi showing Ash the intricacies of dueling.