Who said "It's an impressive cage, not that I'm surprised."?

This quote is attributed to Loki's Tesseract.

It's an impressive cage, not that I'm surprised. - Loki's Tesseract

"It's an impressive cage, not that I'm surprised."

Loki's Tesseract Strength

"I am burdened with glorious purpose."

"Kneel before your king."

"Freedom is life's great illusion."

"I will never be your slave again."

"Strength comes from within."

"A woman should be proud of who she is."

"A strong woman can overcome anything."

"The only thing I'm good at is killing."