Who said "Death is the one enemy you can't deceive."?

This quote is attributed to Natasha Romanoff.

Death is the one enemy you can't deceive. - Natasha Romanoff

"Death is the one enemy you can't deceive."

Natasha Romanoff Death

"I'm not going to fight you."

"Sometimes the best way to solve your own problems is to help someone else."

"I have a very specific skill set."

"You know, I'm actually a very good liar."

"Death doesn't scare me anymore."

"Death and I are old friends."

"Welcome to my world."

"Death is just the beginning."