Who said "Humor is sometimes the only way to survive."?

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

Humor is sometimes the only way to survive. - Natasha Romanoff (Civil War)

"Humor is sometimes the only way to survive."

Natasha Romanoff (Civil War) Humor

"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."

"Never underestimate the power of a good laugh."

"Laughter is the best medicine."

"A good laugh is the best medicine."

"Laughter is contagious and wonderful."