What could happen in a 'Modern Sonic meets Classic Sonic fanfiction'?

In such a fanfiction, they might start by being a bit skeptical of each other. Modern Sonic is used to his high - speed, action - packed world, while Boom Sonic has his own unique charm and way of doing things. They could end up in a race to prove who's faster, which would be really exciting to read about.

In such a fanfiction, they might start as rivals. Sonic, with his speed and carefree attitude, could initially clash with Shadow's more brooding and serious nature. For example, they could compete in a race across a fantastical landscape filled with loops and obstacles. Sonic would be in it for the thrill, while Shadow might see it as a test of his own abilities.

In a 'sonic meets pokemon fanfiction', Sonic could end up in the Pokemon world and start racing against some of the faster Pokemon like Rapidash. Maybe he'd form an unlikely friendship with Pikachu, with Pikachu using its electric attacks to help Sonic out of tough situations, like zapping robotic enemies that Sonic might encounter in this new world.

In a Sonic meets Captain Marvel fanfiction, there could be a plot where Sonic's rings have some sort of connection to the power of the Tesseract (which is related to Captain Marvel's story). They both have to figure out what this connection is and how to use it to save both their worlds. It could be a really exciting adventure with Sonic zipping around and Captain Marvel blasting enemies with her photon blasts.

Well, Sonic might have some exciting adventures with his siblings. They could team up to fight against a common enemy, like Dr. Eggman. It would be really cool to see how they use their unique abilities together.

Classic Sonic could be the most interesting. He represents the roots of Sonic. When he meets Modern Sonic, he might be curious about all the newfangled things like Sonic's modern shoes or his new power - ups. His reactions to the modern elements would add a lot of charm to the story.

They might go on an adventure. Maybe they'll discover a hidden treasure or face a new enemy together.

In the fanfiction, when Sonic meets Tails in the snow, they could also just have a friendly chat. They might talk about their past adventures, like the time they saved the world from Dr. Eggman. Tails could share some new inventions he's been working on, and Sonic would be excited to hear about them. They might also plan their next adventure while enjoying the snowy scenery.

A Sonic meets One Piece fanfiction would be full of exciting possibilities. Sonic's friends from his own world, like Tails and Knuckles, could also be brought into the One Piece universe. Tails' mechanical skills could help Franky with his inventions, and Knuckles could have epic battles with some of the strong fighters in One Piece. And Sonic himself might be intrigued by the Devil Fruits and their powers, and perhaps even try to find a way to incorporate that kind of power into his own abilities.

In a fanfiction where Tails meets Sonic for the first time, Tails might be in awe. Sonic's speed and heroic reputation could make Tails instantly idolize him. Maybe Sonic saves Tails from a dangerous situation, like a group of badniks. Tails, being the smart fox he is, could then offer to help Sonic with his gadgets, starting a great friendship.