How Many Black Widows Are There in Marvel?
Natasha Romanoff Isn't the Only Black Widow in the Marvel World — Here Are the Rest
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What we know so far about Rachel Weisz's character in Black Widow is fairly straightforward: she, like Natasha, is a graduate of the Black Widow program, although her specialty is something scientific. In the comics, Melina has an alter ego: Iron Maiden, whose hatred for Natasha eventually leads her to become a supervillain and iconic enemy of Nat's.