Another theme is the power of love. Since it's about soulmates, the love between Steve, Bucky and the OC is often portrayed as something that can overcome great obstacles. It could be things like political differences in the world of the Marvel universe or personal insecurities of the characters.
The theme of sacrifice also pops up a lot. The characters, especially the OC, may have to sacrifice something important for the sake of the soulmate bond. It could be their own safety, their relationships with other people, or their own dreams. This adds a layer of depth and drama to the fanfics.
One great Steve Bucky OC soulmates fanfic is 'Soulbound'. It beautifully weaves the relationship between Steve, Bucky and the original character. The author does an amazing job of creating a believable world where their soulmate bond is both heartwarming and full of challenges.
One common theme is friendship. The OC often becomes a part of the friendship between Bucky and Steve, either strengthening it or causing some temporary rifts that they have to overcome. Another theme is redemption. Bucky, with his complex past, may find a new path with the help of the OC and Steve.
Redemption is also a prevalent theme. Given Bucky's often troubled past in the fanfics, whether it's her experiences in the war or other traumas, the story usually shows her path to redemption with Steve's support. Their relationship is a crucial part of this journey.
One common theme is loyalty. Since both Bucky and Steve are known for their loyalty in the Marvel universe, in poly fanfics, this loyalty extends to their poly relationship. They are always there for each other no matter what.
Another common theme is loyalty. They are extremely loyal to each other. In some fanfics, they'll go to great lengths to protect one another, even if it means going against the whole world. It's a very powerful aspect of their relationship that writers often explore.
One common theme is loyalty. Steve and Bucky have a deep loyalty to each other that is often explored. For example, in many fics, Bucky will go to great lengths to protect Steve and vice versa.
A prevalent theme is teamwork. In many fanfics, they work together to face a common enemy or solve a big problem. This could be something like saving the world from a new threat. Also, the theme of loyalty is often explored. Steve's loyalty to Bucky and Tony's loyalty to both of them in different ways can create complex and interesting storylines that keep readers engaged.
Friendship is a very common theme. These three characters often form a strong bond in fanfiction, relying on each other for support, whether it's during battles or in dealing with personal issues. For example, in many stories, they help each other overcome their past traumas.
One common theme is friendship. Bucky and Steve have a long - standing friendship, and the addition of the Reader often explores how new friendships are formed and how they all support each other. For example, in many fanfics, they might help the Reader deal with personal problems while strengthening their own bond.
A prevalent theme is also sacrifice. Each of them is willing to sacrifice for the others in many fanfictions. It shows how deep their bond is. And the theme of trust is also there. They need to build and regain trust among themselves, especially given all the things that happen in the Marvel universe.