Some fanfictions might center around the relationships between different characters in Red vs Blue. It could be about the friendship between two particular characters, like Church and Tucker, and how they support each other in difficult situations. These types of stories often add more depth to the pre - existing relationships in the show.
One popular 'red vs blue oc fanfiction' story could be 'The New Recruit'. It focuses on an original character joining the Red vs Blue universe and their adventures in adapting to the chaos. Another might be 'OC's Redemption' where an original character has to overcome past mistakes within the context of the Red vs Blue world.
One popular 'red vs blue watches fanfiction' story could be 'The Blue Team's Adventure in the Time - Warped Watch World'. It might involve the blue team getting caught up in a strange world where watches have magical powers.
Time - travel stories are also quite popular in Red vs Blue fanfiction. Fans like to imagine how the characters would react if they were sent back or forward in time. Also, there are fanfictions that focus on the backstories of the characters, filling in the gaps that the official show might have left.
One popular story could be about a female character from the 'Red vs Blue' universe who has an unexpected encounter with a donut - themed situation. Maybe she discovers a hidden donut shop in the middle of a battle zone and it leads to some comical or heartwarming interactions.
One popular 'red vs blue fanfic' is 'The Adventures Beyond the Canyon'. It takes the characters on a new adventure outside their usual setting. Another one could be 'The Redemption of Blue Team' which focuses on the growth and change within the Blue Team.
One popular theme could be humorous misadventures of the characters. For example, they might get into absurd situations that are completely out of the ordinary for their usual storylines. Another theme could be character crossovers within the Red vs Blue universe in a really wacky way, like two characters who never interact in the original show suddenly becoming best friends or rivals in a comical way. And sometimes, there are themes centered around spoofing the typical military or sci - fi tropes that are prevalent in the series.
One interesting story could be about a crossover where the characters from Red vs Blue and RWBY have to team up to fight a common enemy. Maybe they start off not trusting each other due to their different backgrounds and combat styles, but as the story progresses, they learn to work together and combine their unique abilities.
One interesting story could be about a Freelancer who has to choose between the Red and Blue sides in a moral dilemma. Maybe they discover a conspiracy within the Freelancer program that forces them to question their loyalty.
Well, a theme that often shows up is the growth of their love. It starts from maybe a simple comradeship or an unspoken attraction and then develops into a deep, passionate love. Also, the idea of them overcoming differences, like their team allegiances in the Red vs Blue world, can be a big theme. It adds drama and shows how strong their bond is that it can transcend such barriers.
Definitely Church. He has such a complex personality and backstory that it would be interesting to see how he interacts with characters from other crossovers. His snarky comments and leadership (sort of) qualities can add a lot to the story.