Black Widow makes her first and only appearance in Ring of Destruction: Slam Masters II. She is the only playable female in the series and her stage is located in Hanover, Germany. Almost nothing is known about Black Widow's early life, other than that at one point she was in a wrestling match against R. Mika's mentor Yoko Harmageddon, which ended with the latter hurting her neck and waist, forcing her to retire from pro wrestling. 

In Black Widow's ending in Ring of Destruction: Slam Masters II, she reveals herself to be female (and sports a very female voice) to the crowd. It's never stated exactly why she posed as she did in the game, though given that she is the only female wrestler, it's speculated that the CWA prohibits women from registering. Her design islikely modeled after Mariko Yoshida, a female wrestler known for her flexibility, musculature, and full-body costume with a black widow spider motif.