One possible plotline could be that Izuku is somehow transported to Black Widow's universe. There, he has to adapt to a world without quirks and learn to use more traditional combat methods.
In the 'izuku meets black widow fanfiction', perhaps they would team up to fight against a common enemy. Izuku's unique quirk combined with Black Widow's combat expertise could make for an interesting dynamic. They could also exchange their life stories, with Izuku talking about his journey to become a hero in his world and Black Widow sharing her experiences in the dangerous world of espionage.
In a fanfiction scenario, they could also form a deep friendship. Picture them sharing stories about their pasts - Gamora about her family and her struggles against Thanos, and Black Widow about her time in the Red Room. This mutual understanding could lead to a strong bond between them, and they could end up being a powerful duo in future adventures.
A good antagonist could be a rogue S.H.I.E.L.D. agent who has his own plans for power. He might see Captasha and Black Widow as threats to his scheme. This agent could have access to some high - tech weapons and a group of loyal but misled followers.
In a 'Captasha captain meets black widow' fanfiction, the plot might involve Captasha being a new hero in the Marvel universe. Black Widow is sent to assess if Captasha can be trusted. They meet in a secret S.H.I.E.L.D. location. At first, Black Widow is skeptical, but as they train together, they develop a mutual respect and end up working together to stop a terrorist organization that has stolen dangerous technology.
On an emotional level, Gamora has a lot of pent - up anger towards Thanos. Black Widow has her own emotional baggage from her past. They could either clash because of these intense emotions or bond over their shared experiences of dealing with difficult pasts. If they clash, it could be a major obstacle in their relationship, but if they bond, it could make their connection even deeper and more meaningful.
One possible plot could be that Captain America and Black Widow are on a mission to retrieve a powerful and dangerous artifact. Along the way, they face numerous enemies and have to rely on each other's skills. Cap's super strength and leadership combined with Black Widow's stealth and combat skills make them a formidable team. They also start to understand each other on a deeper level, sharing stories from their pasts and building a stronger bond as comrades.
Baron Zemo could be a great main villain. He could be plotting to create chaos between the two heroes. He might use his intelligence to set up situations where Captain America and Black Widow suspect each other, all while he is working on a larger scheme to take over a powerful weapon or organization.
Yes, there might be. There are numerous fanfiction platforms out there where such crossovers could exist. You could start by checking popular fanfiction websites like Archive of Our Own or FanFiction.net.
Ichigo would likely be a bit brash at first. He's used to dealing with things on his own terms in the world of 'Bleach'. Izuku, on the other hand, would be very respectful and inquisitive. He'd probably ask a lot of questions about Ichigo's powers. Ichigo might be a bit impatient with all the questions but would soon realize that Izuku is genuinely interested. They'd start to bond over their shared desire to protect others.