After it was confirmed last week that Sony is making a Spider-Man spinoff focused on Venom, it's now been reported that another spinoff centered around Silver Sable and Black Cat is in the works. According to The Hollywood Reporter, Thor: Ragnarok writer Chris Yost is working on the script. He's reportedly expanding on an earlier version penned by Westworld co-creator Lisa Joy."The studio is hoping to go to directors soon with an eye on a fall start date," THR said.The female characters Silver Sable and Black Cat have been friends and enemies of Spider-Man over the years.