alternate cover of black widow with blonde hair and a white top piece skintight suit in a boobs and butt pose on her tip toes

Black Widow involved in a horrible glue accident

I think the white costume is a result of the horrible glue accident that she's obviously trying to get herself out of.  That explains why her feet appear to be stuck in place and she's trying her best to twist out of it. 

(Alternate cover for Black Widow #1, Marvel Comics)