Another theme is friendship. They might start as friends who support each other. For example, Steve could rely on Darcy's scientific knowledge in certain situations, and Darcy could look up to Steve for his leadership and moral compass. This friendship then might or might not turn into something more romantic as the story progresses.
Fanfiction.net is also a great place to search. There are a large number of stories on there. Navigate to the Marvel or Avengers section and then specifically search for stories involving Darcy Lewis and Steve Rogers. You might have to dig a bit through the results to find the ones that really interest you.
One interesting storyline could be Darcy and Steve teaming up for a secret mission. Steve's combat skills and leadership combined with Darcy's scientific knowledge could make for an exciting adventure. Maybe they have to stop a villain who is using some sort of advanced technology that only Darcy can understand.
Their relationship could start with mutual respect. Steve would respect Darcy's intelligence and her ability to hold her own in tough situations. Darcy would respect Steve for his heroism and self - sacrifice. This respect could then turn into friendship as they spend more time together, perhaps on Avengers - related business. Eventually, friendship could grow into love as they discover more about each other's personalities and interests.
Another theme is self - discovery. Darcy in some fanfictions is on a journey to find out more about herself, her capabilities, and her place in the world she's in. For example, she might realize she has leadership skills she never knew about before.
Another theme is self - discovery. When she goes through hurt, she often discovers new aspects of herself. She might realize she's stronger than she thought or that she has different priorities in life. This is seen in many fanfictions where she has to deal with emotional turmoil.
Another theme is the support she gets from others. Her friends or colleagues often come to her aid, highlighting the importance of relationships in difficult times. In many of these fanfictions, the bond between Darcy and the other characters deepens because of her injury.
One common theme is friendship. The OC often forms a deep friendship with Steve, which helps him in different ways, like providing emotional support or being a partner in combat. Another theme is self - discovery. As the OC is in Steve's world, they often learn more about themselves and their capabilities. For example, they might discover hidden strengths while facing challenges with Steve.
Another theme could be his struggle with self - identity while being hurt. He might question his role as Captain America, especially if his injury makes him feel less capable. He has to deal with not only the physical or emotional pain but also the mental turmoil of whether he can still be the symbol of hope he was meant to be.
One common theme is physical injury. Steve often gets seriously injured in combat, like having broken bones or internal bleeding. This shows his mortality despite his super - soldier status.
One common theme is love and attraction. Often, the female characters in these fanfictions are attracted to Steve Rogers' noble and heroic qualities. For example, in many stories, a female character might fall in love with Steve as she sees his selfless acts of saving others.