If Cortana were to be in the Marvel universe, her intelligence could be a huge asset. She could potentially interface with Vision's mindstone or help Stark with his technology. Her ability to control and analyze large amounts of data could be very useful in battles against villains like Ultron.
The super - soldiers in the Marvel universe, like the Winter Soldier, have enhanced physical abilities. When compared to the Spartans from Halo, there could be some interesting interactions. Maybe they could train together and exchange combat techniques, or compete to see who is stronger in different scenarios.
Percy's power over water could be used in interesting ways when combined with the magic of the Kane world. For example, if there are spells that involve elements, Percy could use his water powers to enhance or disrupt those spells. The Kane siblings' magic, which is often related to the gods of their world, could also have an impact on Percy. Maybe their magic could temporarily give Percy new abilities related to the Egyptian gods, like the ability to control the Nile if they are in the right location.
The powers of the Supernatural characters, like Sam's psychic abilities and Dean's combat skills, would contrast with the more otherworldly powers of the Good Omens characters. Aziraphale's ability to perform miracles and Crowley's demonic powers would be on a different scale. For example, Sam's psychic visions might be able to predict events that Aziraphale and Crowley are involved in, but they might not fully understand how he gets these visions at first.
In a fanfic, the Halo characters would interact with Xenomorphs in various ways. The Spartans, being super - soldiers, would be the front line against the Xenomorphs. They would study the Xenomorphs' movements and attack patterns. The Covenant races would have different reactions. The Jackals might try to snipe at the Xenomorphs from a distance, while the Hunters would use their brute strength. But overall, it would be a chaotic and dangerous interaction as the Xenomorphs' acid blood and stealthy attacks would pose a great threat to all the Halo characters.
If we consider the abilities of Servants in Fate and Spartans in Halo, it's really interesting. Servants have magical powers like Gilgamesh's Gate of Babylon which can summon countless weapons. Spartans, on the other hand, have their advanced combat training and high - tech armor. In a crossover, a Servant's magic might be able to disrupt a Spartan's high - tech equipment. For example, a lightning - based magic attack could short - circuit some of the Spartan's systems.
Mercy from Overwatch and Cortana from Halo might have an interesting interaction. Mercy is a healer and Cortana is an AI. They could discuss the ethics of artificial intelligence and how Mercy's healing technology could potentially be applied in the Halo universe, or vice versa how Cortana's knowledge could enhance Overwatch's medical technology.
Chat Noir's Cataclysm power, which can destroy anything it touches, could be really dangerous in the My Hero Academia world. If he were to use it on a building, it would be similar to how some villains with destruction - based Quirks operate. However, the heroes in My Hero Academia might be able to use their powers to contain or redirect the effects of Cataclysm. For example, someone like Cementoss could create barriers to stop the spread of the destruction.
Well, Ruby's speed semblance could be a great complement to Spiderman's acrobatics. They could perform some amazing parkour - like stunts together. Yang's semblance of getting stronger with each hit could be combined with Spiderman's strength. Imagine Yang taking a few hits and then teaming up with Spiderman for a super - powerful attack. And Weiss's ability to create glyphs could be used to enhance Spiderman's web - swinging. She could create glyphs that make the webs stronger or more elastic, allowing him to swing further and faster. Blake's stealth and acrobatic skills could also work well with Spiderman's, as they could both silently take out enemies from the shadows.
The Arrow's archery skills combined with Hawkeye's would be really interesting. They could come up with new types of arrows together. And if you think about it, characters like Iron Man could provide technological upgrades to the Arrowverse heroes' gadgets. For instance, he might improve the Flash's suit to make it more energy - efficient or give Green Arrow some high - tech arrows with advanced tracking capabilities. There are so many ways their powers and skills could interact in really cool and unexpected ways.
The chakra-based powers in Naruto and the magic in Fairy Tail could interact in interesting ways. For example, Naruto's Rasengan, which is a concentrated form of chakra, could potentially be enhanced by Fairy Tail magic. Maybe if he were to team up with a Fairy Tail mage, they could combine their powers to create a super - powered attack. On the other hand, a character like Erza from Fairy Tail, with her Re - Equip magic, might be able to use ninja tools from the Naruto universe in new and creative ways when her magic interacts with chakra.
In a 'Game of Thrones' and Marvel crossover fanfiction, the magic in 'Game of Thrones' would be a wild card for the Marvel characters. For example, Daenerys Targaryen with her dragons. The Marvel heroes might see her as a huge threat at first. But then, they could also realize that her dragons could be a great asset against some of the more powerful villains in the Marvel universe. And the Marvel characters like Doctor Strange, who is well - versed in magic himself, could offer his knowledge to help Dany control her dragons better or perhaps even use their magic in new ways.