Well, a great plot for Winter Soldier crossover fanfiction could be a crossover with the Avengers from an alternate universe. In this scenario, the Winter Soldier has different loyalties or a different backstory. He might be on a mission to infiltrate the main Avengers team, but then starts to question his orders as he gets to know them better. Another possibility is a crossover with Spider - Man. Picture the Winter Soldier in New York and getting involved in one of Spider - Man's battles. Spider - Man might initially see him as a threat but then they end up working together. Also, a crossover with Black Panther could be interesting. The Winter Soldier could be sent to Wakanda for some reason, and he has to navigate the complex politics and technology of the place while also dealing with his own issues.
For Winter Soldier crossover fanfiction, here's an idea. A crossover with Daredevil. The Winter Soldier is in Hell's Kitchen on a mission, and Daredevil senses his presence as an unknown and dangerous force. They cross paths and at first, it's all about confrontation. But then they realize they have a common enemy. Another plot could be a crossover with Captain Marvel. The Winter Soldier's past is somehow linked to some Kree technology or experiment, and Captain Marvel gets involved in uncovering the truth. And a crossover with Thor could also work. Maybe the Winter Soldier gets caught up in some Asgardian magic or artifact that sends him to Asgard, and he has to find his way back to Earth with Thor's help or hindrance.
One idea could be a crossover with the X - Men. The Winter Soldier could be sent on a mission to retrieve a mutant who has some sort of power that could be dangerous in the wrong hands. He then has to face off against some of the X - Men who are protecting the mutant. Another plot could involve a crossover with Doctor Strange. Maybe the Winter Soldier gets caught in a magical spell that makes him relive some of his past traumas in a different way, and Strange has to help him break free. A third plot could be a crossover with the Guardians of the Galaxy. The Winter Soldier is somehow transported to space and has to team up with the Guardians to get back to Earth while also dealing with some intergalactic threats.
One idea could be that the Winter Soldier has to face his past selves in a dreamscape created by a new enemy. Another could be a story where he teams up with a young mutant who can see his hidden memories and they go on a journey to uncover the truth about his pre - Winter Soldier life. And a third could be a story where he tries to adapt to a normal life in a small town but his past keeps coming back to haunt him.
A plot could involve an alternate universe where Bucky was never captured by Hydra. He and Steve continue their adventures together, fighting different villains. Or perhaps a story where the Winter Soldier is sent on a mission to assassinate Steve, but at the last moment, his true self starts to break through and he has to fight against his programming to save Steve.
A plot could revolve around Black Widow and Winter Soldier having to protect a young mutant who has the power to expose a global conspiracy. Their different skills and experiences would come into play as they face various threats. In this fanfiction, they might also develop a deeper understanding of each other's traumas along the way.
One idea could be exploring Sam's journey in more depth as he adjusts to being Captain America. Maybe he has to face some old foes who don't believe he's worthy of the shield. Another could be a team - up mission between Falcon and Winter Soldier that goes awry, leading them to rely on their friendship to get out of a tough situation. Or perhaps a story where they discover a new threat to the world that is related to their pasts.
One plot idea could be that the Winter Soldier is on a mission and accidentally crosses paths with She - Hulk. She - Hulk initially mistakes him for a threat but then realizes he's more complex. They end up having to team up to take down a common enemy, like a new super - powered criminal organization that's causing chaos in the city.
One idea could be that they are on a secret mission together. The Winter Soldier's past memories start to resurface during the mission, and Black Widow helps him deal with the confusion and the emotional turmoil. They gradually develop a deeper connection as they rely on each other's skills.
Perhaps in this fanfiction, the magic in Harry Potter's world is used to either create or control the Winter Soldier - like enhancements. For example, spells could be used to enhance physical abilities or manipulate memories, similar to what was done to Bucky Barnes in the original Winter Soldier story. This could lead to a whole new set of plotlines and character interactions.
Some good concepts for 'ww2 soldier crossover fanfiction' include a crossover with a detective story. The WW2 soldier, with his sharp observational skills and ability to think on his feet, could assist a detective in solving a complex mystery. Another concept could be a crossover with a space exploration story. He could be part of an early space mission and his experience in handling high - stress situations during WW2 would come in handy. Also, a crossover with a zombie apocalypse setting. The soldier's combat and survival instincts would be crucial in fighting off the hordes of zombies.
A really cool plot could be that there is a prophecy in the Naruto world about a winter that will be so harsh it will destroy all the crops, except for the lemon trees. Naruto, with his never - give - up attitude, teams up with a mysterious girl named Winter. She has the ability to communicate with lemon trees. Together, they try to find a way to prevent the disaster by using the power of the lemon trees and Naruto's ninja skills. They face many challenges along the way, like enemies who want to use the chaos for their own gain and natural disasters that are a result of the approaching harsh winter.
One idea could be that Harry has the power to control ice and snow. He uses these powers to create beautiful ice sculptures in the wizarding world. Another could be that as a winter spirit, he has to protect a magical forest during the winter months from dark creatures that are more active in the cold. Maybe he can also communicate with winter animals like snow owls and arctic foxes in a special way.