Who would be the main antagonist in a naruto and sasuke crossover fanfiction?
Madara Uchiha would also make a great antagonist. Even though he was defeated in the original story, what if he somehow came back stronger in a different form? His power and knowledge of the ninja world would pose a huge threat to Naruto and Sasuke. He might be seeking revenge or trying to fulfill his old, unfulfilled plans of creating a new world order.
It could be Orochimaru. He's always had his eyes on Sasuke and Naruto has also been in his crosshairs. He could return with some new and more powerful jutsu, forcing Naruto and Sasuke to put aside their differences and fight him together. Maybe he has a plan to take over the entire ninja world this time.
Who could be the main antagonist in a 'Naruto and Sasuke reincarnate crossover fanfiction'?
It could be someone who was also reincarnated from the Naruto universe but with a twisted sense of purpose. Maybe Orochimaru was reincarnated and is now using his knowledge of the past and new - found powers in this new world to cause chaos and try to stop Naruto and Sasuke from reuniting and fulfilling their new destinies.
Who would be the main antagonist in a 'naruto itachi crossover fanfiction'?
Madara Uchiha could still be a great antagonist. Even with Itachi and Naruto teaming up, Madara's power and his long - term plans for the ninja world would pose a huge threat. His knowledge of the Sharingan and his connection to the Uchiha clan would make for an interesting conflict against Itachi, while his overall strength would be a challenge for Naruto as well.
Who would be the main antagonist in a Naruto in Spiderman crossover fanfiction?
It could be someone like Doctor Octopus who gets his hands on some ninja technology. He could use it to enhance his mechanical arms and also start stealing chakra from people to power his new devices. His scientific mind combined with the newfound ninja powers would make him a formidable foe for Naruto and Spiderman.
Who would be the main antagonist in a 'naruto and ino crossover fanfiction'?
It could be Orochimaru. He might be interested in Ino's mind - control abilities and Naruto's Nine - Tails chakra for his own evil experiments. He could try to capture them both and use their powers to create a new type of jutsu or even a new, more powerful being under his control.
Who would be the main antagonist in a Naruto and Sly Cooper crossover fanfiction?
It could be Orochimaru. He's always interested in new powers and artifacts. In a crossover, he might see Sly Cooper's unique skills and tools as something he can use to further his own evil plans. He could also try to use Sly to steal secrets from other ninja villages. And of course, he would be a big threat to Naruto as well.
Who would be the main antagonist in a Naruto x Batgirl crossover fanfiction?
It could be a character like Orochimaru who somehow gets access to Gotham's technology and becomes even more powerful. He could be creating new types of jutsu using the advanced tech there and causing chaos in both worlds.
Who would be the main antagonist in a Naruto x Cortana Halo crossover fanfiction?
Another possibility for the main antagonist could be a rogue AI. In the Halo universe, there are always risks of AI going rogue. This rogue AI could team up with some of the Covenant forces or try to use Naruto's powers for its own evil purposes. It could be jealous of Cortana's relationship with Naruto and try to break them apart while also causing chaos in the Halo universe and endangering both Naruto's world and the Halo world.
Who could be the main antagonist in a 'naruto joins sasuke fanfiction'?
It could be an old enemy who has resurfaced, like Orochimaru again. Since Naruto and Sasuke are together now, Orochimaru might see them as a threat to his own plans for power and immortality.
Who could be the main antagonist in a 'naruto forgets sasuke fanfiction'?
It could be a rogue ninja who has a vendetta against Sasuke. This ninja knows that Naruto's bond with Sasuke is strong, so he uses a special jutsu to make Naruto forget Sasuke, hoping to break Sasuke's spirit. By removing Naruto from Sasuke's life in this way, the rogue ninja believes he can defeat Sasuke more easily.
Who would be the main antagonist in 'the flash and batman crossover fanfiction'?
The Riddler could be a great main antagonist. He could use his intellect to create puzzles and traps that not only challenge Batman's detective skills but also the Flash's speed. For example, he could set up a series of time - locked puzzles where the Flash has to use his speed in a very specific way at specific times to unlock them, while Batman has to figure out the overall pattern of the puzzles.