Who said "I've trained my whole life for moments like this."?

This quote is attributed to Natasha Romanoff (Civil War).

I've trained my whole life for moments like this. - Natasha Romanoff (Civil War)

"I've trained my whole life for moments like this."

Natasha Romanoff (Civil War) Work

"Sometimes I see the mission the same way you do."

"We've made mistakes. But we're still a family."

"I know this job. We both do."

"When you can live with it, let me know."

"Hard work never killed anybody."

"Work with purpose and integrity."

"Hard work pays off in the end."

"A man's gotta do what a man's gotta do."