One common plotline is Reid getting physically injured during a case. For example, he might be shot while trying to apprehend a suspect. This then leads to the other team members worrying about him and his recovery process.
In some fanfictions, Reid's kidnapping could be related to his family secrets. Maybe there's someone from his past, like a long - lost relative or someone his mother knew, who abducts him to get to something valuable, either information or an object. This could lead to a lot of self - discovery for Reid as he tries to figure out the motives behind his abduction while also trying to escape.
You can try fanfiction websites like Archive of Our Own (AO3). There are often a plethora of stories related to Spencer Reid getting hurt. Just use the search function on the site and type in relevant keywords like 'Spencer Reid hurt' within the Criminal Minds section.
One common theme is Reid's vulnerability. Fans often explore how his intelligence and unique personality can make him a target in different ways. For instance, in some fics, his prodigious memory might be used against him, leading to his emotional or physical hurt.
One common theme is the team's reaction to Spencer being hurt. It often shows how they come together to support him, like Morgan being overly protective or JJ showing her motherly side. Another theme is Spencer's own internal struggle. He's such a complex character, so when he's hurt, it can be about how he deals with pain, both physically and mentally.
Spencer Reid, the brilliant mind in Criminal Minds, could meet a forensic scientist in the story. They start off as colleagues, sharing their insights on cases. Slowly, Reid finds himself drawn to her intelligence and kindness. One day, after a particularly tough case, he finally musters the courage to ask her out for coffee. Their relationship blossoms as they discuss books, their shared love for knowledge, and of course, the intricacies of criminal profiling.
One common plot element is Reid using his vast knowledge to try and escape. He might analyze the behavior of his kidnapper, looking for patterns or weaknesses. Another is the emotional turmoil of the BAU team, especially his close friends like Garcia and Morgan.
One common theme is the 'opposites attract' scenario. For example, Reid, with his intellectual and often reserved nature, might be paired with a more outgoing and spontaneous character. Another theme is 'overcoming trauma together'. Given the dark nature of the Criminal Minds world, both Reid and his love interest might have to deal with the emotional scars from cases, and their relationship helps them heal.
Some fanfictions might also focus on the mystery or the circumstances surrounding Reid's injury. It could be related to a case they were working on, and the story delves into how the team tries to solve the mystery of who hurt Reid and why, all while dealing with the fact that he's injured.
Fanfiction.net might also be a good place. However, the quality can vary a lot. You may need to sift through some stories to find the really good ones about Spencer being hurt. Some authors might focus on physical hurt, like when he was kidnapped or injured during a case, while others might explore emotional hurt, such as his relationships causing him pain.