The Flash and Quicksilver could have an interesting dynamic. They might start by racing each other, but then realize they can learn from each other's speed - related abilities. Captain America and Wonder Woman would probably respect each other's leadership skills and sense of justice immediately. They could lead their respective teams in a combined battle plan against a common enemy.
Batman would likely be very cautious around the Avengers at first. He'd be observing their tactics and technology. Thor, on the other hand, might be curious about the Justice League's powers, especially Superman's strength. He might challenge Superman to a friendly test of strength.
Iron Man would be intrigued by the advanced technology in the Justice League's world, like the Batcave's gadgets. He might try to collaborate with Batman to upgrade their gear. Hulk could be a bit of a wild card. He might initially see the Justice League as potential rivals, but then come to respect them as they fight together. And Aquaman could use his control over the sea to help in battles near water, which would be a new element for the Avengers who are not as used to aquatic combat.
The interactions would be complex. The Guardians are more of a ragtag group compared to the Avengers and Justice League. Star - Lord might try to charm Lois Lane, which could annoy Superman. Thor could have a friendly competition with Shazam over who has the better lightning - based powers. And Hawkeye could be in awe of Green Arrow's archery skills and ask for some tips.
Another possibility is a post - Endgame fanfiction. After the events of Endgame, the Avengers discover a new threat that has ties to the Justice League's world. Maybe a powerful villain from the DC universe has somehow been awakened by the events in the Marvel universe. So they have to reach out to the Justice League for help and together they figure out a way to stop this new threat.
Hulk and Percy could have an interesting interaction. Hulk's brute strength and Percy's agility and water powers could make for a great dynamic. They might start off by having a little test of strength, but then realize they need to work together. And when it comes to Captain America, he and Percy could bond over their sense of duty and loyalty. Cap would probably respect Percy's commitment to protecting his world, just as Percy would admire Cap's leadership.
The interactions would be diverse. Batman from Young Justice's world might have a serious conversation with Captain America about leadership. They both lead their respective teams. Artemis could befriend Black Widow and learn some new combat skills from her.
The more experienced Avengers like Captain America would likely take on a mentoring role with the younger members of Young Justice. For example, he could give advice to Robin on leadership. Meanwhile, the more powerful Avengers like Thor might be a bit intimidating to the Young Justice team at first. But characters like Superboy could be eager to prove himself against Thor in a friendly sparring match.
The Avengers are used to a certain level of professionalism and order. The Young Justice team, on the other hand, has a more youthful and sometimes impulsive energy. This could lead to some friction at first. For example, Thor might find the Young Justice members' jokes and banter during a serious mission a bit off - putting. But as they face challenges together, they would start to understand and respect each other's ways. Hulk could even form an unexpected bond with a Young Justice character who isn't afraid of his power.
Batman would probably be the one to start a serious discussion. He'd point out the differences in the Avengers' operating style compared to the Justice League.
At first, Hollow Ichigo's interactions with the Justice League would be full of tension. His wild and untamed nature would contrast with the more organized and moral - centered League. Superman would try to talk to him, but Hollow Ichigo might not listen. Batman would be devising plans to either contain or neutralize him. However, if there's a common enemy, like a powerful interdimensional being that threatens both Hollow Ichigo's world and the DC universe, things could change. Hollow Ichigo might start to respect the League's skills and powers. He could form an uneasy alliance with some members. For example, he might find himself fighting side - by - side with Green Lantern against the enemy's energy - based attacks. The League would also start to see Hollow Ichigo in a new light, not just as a brute force but as a valuable ally with unique abilities.
Well, when the Justice League meets Red Hood, there would be a lot of tension. Red Hood would come in with his own set of skills and a no - nonsense attitude. Batman would struggle between his loyalty to the League and his connection to Red Hood. Green Lanterns might be intrigued by Red Hood's unique style of fighting crime. Red Hood could also use his knowledge of Gotham's seedy underbelly to help the Justice League in a case. There could be some heated exchanges between him and Martian Manhunter, who can read his mind and might not like what he finds at first.
Well, Batman and Iron Man would probably have an interesting dynamic. They are both brilliant strategists and inventors. They might start off sizing each other up, comparing their gadgets and skills. Superman, on the other hand, would be a bit wary of Iron Man at first. He's used to being the most powerful one around, and Iron Man's brash personality and high - tech suit might seem a bit of a threat or at least something he needs to keep an eye on.