Fanfic often explores the idea of Bucky's metal arm sensitivity in relation to his overall state of mind. If he's in a stressed or emotional state, the arm might become more sensitive, almost like it's reacting to his internal turmoil. Writers may use this to show his vulnerability. For instance, when he's having flashbacks of his past traumas, the metal arm could tingle or ache, emphasizing the connection between his mental and physical state.
One great 'Bucky Barnes Metal Arm Fanfic' is 'The Arm and the Man' on Archive of Our Own. It delves deep into Bucky's relationship with his metal arm, how he copes with it both physically and mentally. Another is 'Metal and Memory' which shows his journey of accepting the arm as part of himself.
The connection to the overall Marvel universe. A compelling fanfic will tie in other elements from the Marvel world. Maybe how Bucky's metal arm affects his relationships with other Avengers. For instance, how does Tony Stark view the arm? Or how does it play into his interactions with Steve Rogers? These connections make the fanfic feel more like a part of the larger Marvel narrative.
There might be a story where Bucky Barnes uses his mechanical arm to help him in a race against time. Maybe he has to quickly reach a certain location to stop a villain's plan. His mechanical arm's enhanced speed and strength help him run faster, jump over obstacles, and reach his destination in time.
Some fanfic writers show the metal arm as having a sort of 'phantom pain' - like when he lost his real arm, his mind still sometimes perceives pain in the metal replacement. This can be used to great effect to show his struggle with his new identity and the constant reminder of what was done to him.
One cool feature is its super strength. It can exert a great amount of force, which is useful in combat situations. For example, he can punch through thick walls or hold back large and powerful opponents. This strength gives him an edge in battles and helps him protect his allies.
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.
Bucky Barnes is indeed bisexual in specific comic iterations. It's a modern take that brings a fresh perspective to his character and reflects the growing acceptance and inclusion in the comic world.
Bucky Barnes is not gay in the comics. The comic narrative mainly explores his adventures and interactions with other characters without emphasizing his sexual preference.