Who said "I've survived because I adapt. That's my superpower."?

This quote is attributed to Black Widow (Age of Ultron).

I've survived because I adapt. That's my superpower. - Black Widow (Age of Ultron)

"I've survived because I adapt. That's my superpower."

Black Widow (Age of Ultron)

"I've been red in the ledger. A lot of red. I'm not going to get it out."

"The hardest thing is living with yourself when you know what you've done."

"I know what it's like to have power forced upon you. It's not freedom."

"Everyone I've ever cared about has left. But I keep moving forward."