The Black Cat is often seen as more of a thief with a bit of a wild side in the Marvel realm. She has powers like bad luck probability manipulation which affects her foes. Catwoman, on the other hand, is more about her acrobatic skills and her cat - like grace. In the Black Cat vs Catwoman story, their fighting styles also differ. Black Cat might rely on her powers and her own brand of cunning, while Catwoman uses her agility and knowledge of Gotham's alleys and rooftops to her advantage.
It's really hard to say. Both are very skilled fighters. Black Cat has her probability manipulation powers which could give her an edge in a fight. But Catwoman is extremely agile and has a lot of experience fighting in Gotham. If the fight was in Gotham, Catwoman might have the upper hand as she knows the territory well. But if it was in a more neutral location, Black Cat's powers could make things difficult for Catwoman.
The plot could start with Batman investigating some strange activities in Gotham that are linked to a Russian spy ring. This leads him to cross paths with Black Widow who is on a mission for S.H.I.E.L.D. They initially misunderstand each other's motives and end up in a fight. As the story progresses, they realize they are both after a common enemy and team up.
A territorial dispute could be another plot. Black Cat has been operating in a certain part of the city for a while, and Catwoman moves in. They start a battle of wits and skills to see who gets to claim the area as their own hunting ground for valuable items. This could involve a series of rooftop chases and close - quarter combat scenes in the city's seedy alleyways.
In a fanfic scenario, Batman might have the edge. He's a highly trained martial artist with a vast array of gadgets. His detective skills could also give him an advantage in predicting Black Widow's moves. However, Black Widow is no slouch. She has extensive combat training and experience in espionage. It could be a very close fight depending on the circumstances written in the fanfic.
Not always. The appearance of Catwoman varies in different comic runs. Sometimes she may have a darker skin tone, but it depends on the specific comic and the artist's interpretation.
Natasha Romanoff, the Black Widow, hails from a dark past. She was orphaned during World War II and then taken in by the Soviets. In the Red Room, she endured rigorous training, both physical and mental. This training made her an expert in combat, espionage, and deception. Her skills are on par with some of the mightiest superheroes in the Marvel Cinematic Universe. For example, she can hold her own against the likes of Hawkeye and even Captain America in combat situations. Her origin story is a crucial part of understanding her character's motives and actions throughout the Marvel stories.