Originally Posted by blalex620
FOX holds the rights to Viper sadly (she's appearing in The Wolverine) and I think they hold the rights to the Shi'ar too since if I'm not mistaken they deal a lot with the X-Men mostly.
But they don't hold the rights to Madame Hydra, which is why Fox's Viper doesn't look like the traditional image because they can't use that.
And Viper is only a small part of Spider Woman. There are many others from her rogues gallery who are great.