If we consider the Zerg from Starcraft in the Avatar world, they would see Pandora as a new source of biological evolution. They would try to assimilate the native species into their swarm. However, they would face challenges as the native species have their own defenses and a connection to Eywa. The Na'vi would be horrified by the Zerg's way of assimilating life forms. As for the Protoss, they would try to bring order to Pandora. They might use their technology to build structures that are in harmony with the natural environment. The humans in the Avatar world would be both fascinated and afraid of the Protoss' advanced technology and would need to adapt to their presence.
The Terrans from Starcraft would find the Pandora planet in Avatar very challenging. Their reliance on technology might not work as well in the lush and often unpredictable environment. They would have to learn to adapt to the natural cycles and the power of Eywa. The Na'vi, on the other hand, would be shocked by the mechanical and technological warfare of the Terrans. They might initially resist but could eventually learn to use some of the less harmful tech for their own benefit. For the Protoss, they would be intrigued by the spiritual connection in Avatar. They might try to find parallels in their own beliefs and use their psychic abilities to communicate with the natural forces on Pandora.
Well, Nick Wilde from Zootopia is a sly character. He might be able to adapt to the GTA 4 world more easily than some of the others. He could use his wits to blend in with the criminal underworld, perhaps even using their own tricks against them. In Zootopia, GTA 4 characters would have to adapt to a world where physical strength isn't always the most important factor. They might be surprised at how the Zootopia animals use their intelligence and unique abilities to solve problems and get by in their society.
The characters from Skyrim, like the Nords, are used to a cold and harsh environment. In the world of Game of Thrones, they might find the politics of Westeros very complex. However, their combat skills would be useful. For example, a Nord warrior could easily adapt to being a sellsword in Westeros. The characters in Game of Thrones, on the other hand, would be amazed by the magic in Skyrim. A character like Tyrion Lannister might be very interested in the Dwemer technology and magic.
Well, consider Elsa from Frozen. If she were in the Fallout world, her ice powers could be used to preserve food in the wasteland, which is a very practical adaptation. She would also need to adapt to the violence and danger, perhaps using her powers defensively more often. The people in the Fallout world would need to adapt to her presence. Some might see her as a savior, while others might be afraid. Now, if a Fallout character like the Courier was in Arendelle, they would need to adapt to a more structured society. They would have to learn the rules and customs, and also deal with the magic which is completely foreign to them. Anna would likely be the one to help the Courier adjust, as she is very friendly and open - minded.
The characters from Dark Souls are used to a world full of danger and death around every corner. In Game of Thrones, they would likely find the political intrigue and backstabbing to be just as dangerous as any monster. For example, a Dark Souls knight might initially be confused by the complex web of alliances and betrayals in Westeros but would soon learn to navigate it with their combat - hardened instincts.
Percy would probably have a tough time at first in the Warhammer world. The chaos and the different races would be quite a shock. But his ability to adapt quickly, which he learned from his many quests in his own world, would help. He'd start using his powers in new ways, like using water to put out the fires of the Dwarven forges when they go out of control. Annabeth would be studying the architecture and the different battle strategies of the Warhammer races, and try to incorporate them into her own knowledge base.
The wizards from Harry Potter would be in awe of Narnia's magical creatures. Harry, for instance, would be fascinated by Aslan. He'd probably see Aslan as a powerful and wise being, much like Dumbledore. On the other hand, the Narnians might be a bit scared of some of the dark magic in the Harry Potter world. For example, the Dementors would be a terrifying sight for them.
Well, Gaara could start off as a mysterious figure in the Avatar world. Characters like Sokka might be initially suspicious of him. But as time goes on, they could start to understand his motives. For example, Toph, being an earth bender, could be very interested in Gaara's sand abilities. They could have friendly competitions to see who has better control over their respective earth - related powers.
The FNAF characters, if they were to enter the My Hero Academia world, would be very out of place. However, the animatronics' durability could be seen as a form of 'quirk' in that world. The heroes would have to figure out how to contain or deal with them. And the My Hero Academia characters would have to adapt their fighting styles to deal with these strange new opponents. For instance, Midoriya might try to find a non - violent way to subdue the animatronics at first, but if that fails, he'd have to use his full power.
In a battle situation, the interactions would be really exciting. The Voltron team is used to working together in their lions, but in the Avatar world, they would have to adapt to fighting alongside benders. Lance might team up with a firebender and use his sharpshooting skills along with the firebender's attacks. The Avatar could also be in the middle, using their all - four - element powers to support both the benders and the Voltron pilots.
One interesting storyline could be the Na'vi from Avatar using their unique connection with nature against the Zerg in Starcraft. The Na'vi's ability to communicate with animals and their natural combat skills might create an unexpected dynamic when facing the swarming Zerg. Another could involve the Protoss sharing their advanced technology with the humans in the Avatar universe. This could lead to new forms of exploration and resource management. And a third might be a story where the Terrans from Starcraft get stranded in the Pandora planet of Avatar and have to adapt to the local environment and deal with the native species while also trying to find a way back home.