Re: Scarlett Johansson is the Black Widow
If we were to use a pre-existing Whedon character to compare her to, I think she'll turn out to be kinda like Zoe from Firefly. Intelligent, badass, pragmatic, a woman of few words, but never fails to deliver the super dry one-liners every now and then.
"They say: sufferings are misfortunes...Once we're thrown off our habitual paths, we think all is lost; but it's only here that the new and good begins.
As long as there's life, there's happiness. There's much, much still to come."