Well, one possible plotline could be that the troll has been spreading false rumors about Bucky Barnes, and he decides to take matters into his own fists. Maybe the troll is part of a group trying to discredit Bucky, and his punch is a symbol of him standing up for himself.
Perhaps the fanfic could have a plot where the troll is actually a super - powered being in disguise, and Bucky's punch is the start of an epic battle. Bucky's punch might initially seem ineffective but then reveals some hidden power within him that he didn't know he had before.
Another plotline could be that the troll is from an alternate universe and has come to cause chaos in Bucky's world. Bucky punches the troll as a way to send it back to its own universe. This could involve some sort of magical or scientific device that gets activated by the force of the punch.
It could be the person or group who sent the troll. Maybe there's a mastermind behind the troll's actions, like a villain who wants to distract Bucky from something important. So while the troll is the immediate target of Bucky's punch, the real enemy is the one pulling the strings.
Well, one plotline could be the sister trying to clear Bucky's name. Since he has a complex and often misunderstood past, the sister could be on a mission to prove his innocence. This can involve her going against powerful forces.
One plotline could be Bucky's struggle to regain his combat skills with a new prosthetic arm. He might face challenges in getting used to its functionality and power. Another could be his search for the people responsible for his arm loss, leading to a revenge - driven storyline. Or perhaps he has to deal with the psychological impact, like nightmares or flashbacks, which could be a major part of the plot as he tries to overcome them.
One interesting Bucky Barnes Avengers fanfiction could be 'The Reformed Winter Soldier'. In it, Bucky struggles to fully integrate into the Avengers while dealing with his past traumas. It shows his journey of redemption within the Avengers family.
Trauma and recovery are very common themes. Given his history of being experimented on and used as a weapon, fanfics often deal with how he copes with his past traumas. Love is also a theme. Sometimes it's romantic love, where Bucky finds someone who can accept him for who he is, with all his flaws.
Well, it's quite possible that a 'bucky barnes sneeze fanfic' exists. Fanfic writers are known for their creativity and ability to come up with the most unexpected scenarios. Bucky Barnes is a popular character, and while a sneezing - based fanfic might seem strange, there are fanfics about all sorts of things. You could also try reaching out to Bucky Barnes fan communities on social media platforms like Tumblr or Reddit and ask if anyone has come across such a fanfic.
One interesting fanfiction could be about Bucky Barnes and Black Panther teaming up for a mission in Wakanda. Maybe Bucky is seeking refuge there and T'Challa decides to train him in the ways of Wakanda while also enlisting his help against a common enemy.
One interesting Bucky Barnes mind control fanfic could be 'The Unbreaking of the Winter Soldier'. It delves into the process of breaking free from the mind control in a very emotional and action - packed way. Another could be 'Mind Games with Bucky' which focuses on how his friends help him overcome the lingering effects of the mind control through their strong bonds. And there's also 'Beyond the Mind Control' that shows Bucky's journey of self - discovery after being freed from the mind control.
One great 'Bucky Barnes' fanfic is 'The Winter Soldier's Redemption'. It delves deep into Bucky's struggle to come to terms with his past as the Winter Soldier and find his place in the new world. Another is 'Bucky and the Lost Memories' which focuses on his journey to recover his forgotten memories. There's also 'Bucky's New Beginning' which shows his attempts to build a new life after all he's been through.
Some fans might recommend 'Bucky Barnes: Pregnant and Powerful'. This story could show Bucky as a strong character even during his pregnancy, defying the odds and expectations. There may be elements of him learning to adapt to his new state, dealing with the reactions of those around him, and still being an important part of the superhero world.