One idea could be that the Avengers are transported to the world of Kamen Rider Build. They team up with Build to fight a common enemy that has the power to disrupt both universes. For example, a villain who can manipulate matter like Build's powers but on a much larger scale, threatening Earth in the Avengers' world and Build's city in his world.
One idea could be an OC who is a scientist from a different dimension and has a unique build system. For example, instead of using bottles, they use crystals with special powers. Another idea is an OC who is a street racer by day and a Kamen Rider by night, with their racing skills incorporated into their fighting style as Build. Or perhaps an OC who is a young prodigy in the field of robotics and creates their own Kamen Rider Build - inspired suit with advanced robotic functions.
One great 'Kamen Rider Build' fanfiction story could be about an alternate universe where Build teams up with other Kamen Riders from different series to fight a common super - powerful enemy. This kind of crossover fanfic can be really exciting as it combines different powers and personalities.
The characters would likely start off with some level of mistrust. For instance, the Avengers might be suspicious of Build's powers and his motives at first. However, as they face threats together, they would start to respect each other. Iron Man and Build could bond over their love for technology and inventing new gadgets. Captain America might be initially skeptical but would come to admire Build's courage in battle.
Definitely. There are many creative fanfictions. One type of story could be where the Avengers are transported to the world of Kamen Rider and have to learn the rules and powers there to get back home. Another could be a reverse situation. The stories often play with the different powers, personalities, and storylines of both franchises, creating new and engaging plots for fans to enjoy.
One interesting fanfic could be where the Kamen Riders from Build end up in the RWBY universe and team up with the huntsmen and huntresses to fight a common enemy. For example, they might face off against a Grimm that has been enhanced by some Evolt - like technology.
One idea could be that Sento and Banjou have to face a new threat that targets their friendship. Maybe an enemy uses mind - control to make them turn against each other, and they have to break free from it to save the city. Another could be a time - travel plot where they go back in time and meet their earlier selves, which causes all sorts of chaos in the timeline.
Often, Iron Man from the Avengers and Kamen Rider Decade are popular. Iron Man's high - tech gadgets and intelligence make for interesting interactions with the unique powers of Kamen Rider Decade. They can both be seen as leaders in their respective groups, so seeing them work together or clash in fanfiction can be really engaging.
Their relationship could be developed by having them go through a really tough trial together. For example, if one of them is severely injured and the other has to take care of him while still fighting the bad guys. This would show a deeper level of care and dependence.
Often, they start off as strangers. For example, the Kamen Rider Build characters might accidentally end up in the RWBY world. They'd be confused at first, but then start to interact. Maybe the RWBY characters would be cautious at first, like Weiss might be skeptical of these new 'visitors' until she sees their combat abilities.
You can start by checking out some popular fanfiction websites like Archive of Our Own (AO3). It has a wide range of Kamen Rider Build fanfictions written by fans from all over the world. Another option could be FanFiction.net, which also has a significant collection of such works. Just search for 'Kamen Rider Build' on these platforms and you'll find a lot to choose from.