Daisy Johnson, she’s able to generate seismic vibrations
That would be very intense.
For me, it would be Catwoman 100%.  Please let it be Eartha Kitt’s Catwoman.  No superpower necessary for this woman to be awesome.  Just natural brains, competence and control.  And SEXY.
Eartha Kit was great, but for me it's Julie Newmar's Cat Woman. She is one of the alltime beauties.

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@understudy74 Black Widow was my immediate reaction, too. She definitely understands the 'take charge' dynamic.
 Shirley Schmidt on the ABC drama Boston Legal (2005–2008).
(Candice Patricia Bergen)
It’s difficult to choose just one but I would say Wonder Woman for me. She has the right balance of sexy femininity and bad-ass strength and attitude for my taste. Oh who am I kidding, I would bend over for any of them!