I'm not sure exactly. But it might involve a touching moment or a special connection between the characters.
Well, it could be a story where the narrator has a deep admiration or a complex emotion towards Captain America when looking up at him. Maybe there's a heroic act or a poignant interaction that drives the plot.
One possibility is that he wakes up and discovers new allies. The story could then revolve around him building relationships with these new characters while still holding onto his old values. He may also have to deal with the fact that the world has moved on without him and find his new place in it.
Well, perhaps Captain America could be on a mission to seek an ancient Asgardian weapon to help in the fight against a new threat on Earth. He might meet Thor and the other Asgardians, and have to prove himself worthy in their eyes, just like he did in his own world.
Well, in some fanfics, they might make Captain America seem like a jerk to create an interesting plot twist. Maybe they show him being overly self - righteous or making bad decisions that go against his usual heroic image.
In the 1990s, there was an American movie called The Dark Knight. The movie was directed by James Cameron and was based on the novel of the same name. It told the story of a vampire hunter. The film received numerous awards and accolades, becoming one of the most iconic films of the 1990s.
Maybe it's an old enemy who has somehow survived and is now more powerful. They could be seeking revenge on Captain America for past defeats. For example, Red Skull could have found a new way to return and cause trouble.
Well, perhaps a plot where they accidentally end up in an alternate dimension. In this dimension, their powers are different. Captain America might have some super - speed and Superman might have a more tactical mind like Cap. They have to figure out how to get back to their own dimension while also dealing with the villains of this new world. They learn from each other's skills and grow closer as friends throughout this adventure.
One possible plot could be that Captain America is in a situation where he accidentally injures a fan during a chaotic battle. Maybe he's fighting a powerful enemy in a crowded area and his shield goes astray. He then feels extremely guilty and tries to make amends by using his resources to help the injured fan recover. He might also face public backlash for the incident which adds to his internal struggle.
The Night King could be a great antagonist. His army of the dead and his own powerful magic would pose a huge threat to Captain America. Cap's used to fighting human foes, but the Night King is something entirely different.
He could also meet Odin. Odin might view Captain America as an interesting mortal from Midgard and might have some words of wisdom or a task for him to complete during his stay in Asgard.
You can try Archive of Our Own (AO3). It has a vast collection of fanfictions, including many 'Captain America Rated M' ones. Just use the search function and type in the relevant keywords.