One common theme is friendship. Fanfics often explore how Spencer Reid and Derek Morgan's existing friendship is affected by the presence of an OC. For example, they might have to learn to trust the OC or work together with the OC in a way that challenges their own relationship.
Love triangles can also be a theme, although not always in a romantic sense. It could be about the OC being torn between Reid's intellectual approach and Morgan's more hands - on approach to cases, or it could be a more emotional triangle where the OC has to choose between being closer to Reid or Morgan in terms of friendship, depending on who she/he can trust more with personal secrets and issues. This adds an element of drama and tension to the fanfic.
Another theme is mystery solving. Since they are all related to the BAU in some way in most fanfics, they often come together to solve a complex case. The OC might bring in a unique perspective or skill that helps in cracking the mystery. It's a great way to show the teamwork aspect among the three characters. For instance, an OC with a special knowledge of a certain culture might be crucial in understanding a serial killer's motives related to that culture.
One great fanfic could be 'Unlikely Bonds'. It focuses on how Spencer Reid, the OC (original character), and Derek Morgan interact in a complex criminal case. The OC in this fic is a brilliant psychologist who challenges both Reid and Morgan's perspectives, leading to a great character - driven story.
In Spencer Reid x Derek Morgan fanfiction, the relationship between them can be portrayed in various ways. Some fanfictions might focus on their platonic bond, showing how they support each other during tough cases. Others could delve into a more brotherly - like love, where they are extremely protective of one another.
A common trope is the 'hurt/comfort' one. For example, when Reid is in danger during a case, Morgan is always there to save and comfort him. It shows their deep bond. Another popular trope is the 'partnership in crime' sort of thing, where they work together to solve a mystery that others can't.
One common theme is friendship. Their strong bond as friends is often explored in these fanfics. Another theme is trust. They trust each other completely in the show, and fanfics build on that, showing how they rely on each other in various situations.
There are many great authors in this fandom. One author to check out is 'CriminalMindsFan88'. Their stories often have really in - depth characterizations of both Derek and Spencer. Another good one is 'MindMeldWriter'. They are known for creating unique and engaging plots that keep you hooked from start to finish.
One common theme is the development of a special relationship. The OC often forms a deep bond with Reid, whether it's a friendship or something more romantic. For example, in many fics, the OC helps Reid through his personal struggles.
One common plot is them solving a difficult case together and their bond growing stronger through the process. For example, in some fics, they might be the only ones who notice a crucial detail that others miss, and this shared discovery deepens their friendship. Another plot could be one of them getting injured on a case and the other being extremely protective and caring.
One common theme is the element of surprise. Since the pregnancy is often unplanned, it creates a lot of drama and tension. For example, in many fics, the OC might be worried about how Spencer will react.
One common theme is the exploration of Reid's hidden emotions. Since he's often portrayed as a bit reserved in the show, in these fanfictions, the relationship with the OC might bring out his deeper feelings. Another theme could be the clash between his professional life and his new - found personal relationship. For example, how he manages to keep his focus on cases while being in love with the OC.
One common theme is the exploration of Reid's complex personality within the context of a relationship. Since he is a very intelligent and somewhat socially awkward character, fanfictions often show how he navigates the new territory of being married to an OC. Another theme is the building of a unique bond between Reid and the OC. It could be based on shared interests, mutual understanding, or just pure attraction.