Yes, there are some out there. You can start by looking on fanfiction websites like Archive of Our Own. Just search for 'goku x black widow' and you'll find various stories. Some might be action - packed adventures where they team up across different universes, while others could explore a more romantic side of their relationship.
One common theme is the clash of cultures. Goku's Saiyan heritage and Black Widow's Earth - based spy world are very different. Another is the power combination. They both are very powerful in their own ways, and fanfictions often explore how they use their powers together.
One interesting concept could be the power dynamics. Since Black Goku is a powerful and often malevolent version of Goku, exploring how their powers interact in a fanfiction can be exciting. For example, they might have an epic battle where their similar yet different fighting styles clash.
Character development is also crucial. In many such fanfictions, Female Goku Black may start as a villainous or at least antagonistic character. But as the story unfolds, she might change due to her interactions with Goku. This transformation can be really interesting to follow. For example, she could start to question her own motives or even develop feelings for Goku, which is a big shift from her initial stance.
One possible analysis could be that it often explores the dynamic between two powerful and complex characters. Goku Black, with his menacing and somewhat twisted nature, and Vegeta, the proud Saiyan prince. In fanfics, their interactions can range from intense battles to unexpected alliances. Maybe it delves into how Vegeta would react to Goku Black's presence, given their different ideologies and power levels.
As the story progresses, some fanfictions might explore a begrudging respect. Despite their differences, they recognize each other's power and fighting abilities. For example, they could have a series of battles where they start to understand each other's strategies better.
One idea could be that Goku and Goku Black are forced to team up against an even greater threat from another universe. They start to understand each other's fighting styles during the battle and gradually develop a grudging respect for one another.
Well, Goku Black could be the more dominant character. His dark nature gives him a different kind of power. He doesn't have the same moral constraints as Goku. This could allow him to make more ruthless and effective decisions in battle. He might be able to outmaneuver Goku if he plays his cards right.
One popular 'goku x female goku black fanfiction' might be 'The Unlikely Bond'. It explores a unique relationship between Goku and Female Goku Black. In this fic, they start off as enemies but gradually discover they have more in common than they thought.
One great 'Ultron X Black Widow' fanfiction is 'Redemption in the Shadows'. It delves into a scenario where Ultron has a different view of Black Widow and tries to form an unlikely alliance. The story is filled with intense action scenes and deep character exploration.