Who said "You've already lost. You just don't know it yet."?

This quote is attributed to Wanda Maximoff (Age of Ultron).

You've already lost. You just don't know it yet. - Wanda Maximoff (Age of Ultron)

"You've already lost. You just don't know it yet."

Wanda Maximoff (Age of Ultron)

"I can feel you dying. I can taste the breast milk on your lips."

"You two and your little lives. So desperate to be saved."

"I've been in people's heads. I know how they think, what they want."

"They're all puppets tangled in strings."