Perhaps in this fanfiction, the concept of the 'dreams' in the City of Dreams could be tied to the Hunger Games. For example, the victors of the Hunger Games are promised their wildest dreams come true within the context of the City of Dreams. It could be wealth, power, or the ability to change the city in some way. This would add a new layer of motivation for the tributes.
Another creative combination could be the use of the City of Dreams' technology in the Hunger Games. Maybe there are advanced holographic arenas that mimic different parts of the city. The tributes would have to navigate not only the physical challenges but also the illusions created by this technology, making the Games even more unpredictable and exciting.
Combine the aesthetics of the City of Dreams with the harshness of the Hunger Games. For instance, if the City of Dreams has a lot of neon lights and high - tech buildings, your character could be inspired by that. Maybe they have a suit made of a shiny material that reflects light and can be used to blind opponents in the arena. Also, consider their backstory from the city, like if they lost someone in a factory accident in the city, it could fuel their determination in the Games.
There could be a character who is a star - in - the - making in the City of Dreams' entertainment industry. They are used to the spotlight and the cutthroat competition there. In the Hunger Games, they use their charm and acting skills to manipulate other tributes, pretending to be weak when they are actually very cunning.
A creative combination could be that the Central Perk coffee shop is secretly a wizarding hangout in the Muggle world. The Friends gang unknowingly serves magical drinks to wizards and witches in disguise. There could be a plot where the regulars at Central Perk start to notice strange things happening, like people disappearing into thin air or cups refilling themselves. And the Friends characters have to figure out what's going on with their new 'weird' customers.
One way to combine them creatively could be to have the bending abilities from Avatar in the world of Game of Thrones. For example, a waterbender could use their skills in the battles near the sea or a river in Westeros. They could freeze the water to create barriers or use water whips against the enemy. Another idea is to have the political intrigue of Game of Thrones play out among the different nations in the Avatar world. The power struggles between the Fire Nation, Earth Kingdom, Water Tribes and Air Nomads could be intensified with the addition of the complex political strategies seen in Game of Thrones.
Another aspect could be the plot. A fanfiction could revolve around Naruto being sent to the Norse realm due to some kind of dimensional rift. There, he might encounter Loki and Thor. He could form an alliance with Thor to fight against a common enemy, using his ninja tactics along with Thor's hammer and lightning powers.
One way to combine them creatively is by having an Avatar character attend Hogwarts. Imagine an Airbender learning magic, using their airbending skills to enhance their spell - casting, like using air currents to direct a spell more accurately. Another idea could be a crossover where the Avatar world's spirits interact with the magical creatures in the Harry Potter universe. For example, a Patronus could be seen as a form of spirit energy, and perhaps there could be some kind of connection or interaction between them.
One way to combine them creatively could be to create a crossover universe. For example, Naruto's world of ninjas could intersect with Supergirl's world of superheroes. Lemon could be a new character introduced in this combined world, perhaps with a special power related to nature like Naruto's connection to nature through chakra but with a citrus - themed twist. She could team up with Naruto and Supergirl to fight a common enemy that threatens both their worlds.
One way to combine Adventure Time and Deadpool in fanfiction could be to have Deadpool end up in the Land of Ooo. Maybe he's on a mission and his teleportation device goes haywire. He'd bring his crazy sense of humor and fourth - wall - breaking antics. Finn and Jake would be both confused and intrigued by him. Deadpool could team up with them to fight some of the villains in Ooo, like the Ice King. He'd probably make a lot of jokes about the Ice King's obsession with Princess Bubblegum.
One way to combine them creatively could be to have Naruto characters interact with the technology and species in the Mass Effect universe. For example, the Juubi's power could be a mystery that the Mass Effect characters are trying to understand or control. Maybe a character like Naruto could use his chakra powers in a way that is similar to biotics in Mass Effect.
Their powers can be combined in a fight. For instance, Spider - Man can web up enemies and then Wasp can shrink down and fly into the webbed area to deliver a powerful electric shock. Her small size allows her to get close without being easily detected while Spider - Man provides the initial restraint.