Who said "I will never be your true king."?

This quote is attributed to Loki Laufeyson.

I will never be your true king. - Loki Laufeyson

"I will never be your true king."

Loki Laufeyson

"I am Loki of Asgard, and I am burdened with glorious purpose."

"You call it madness, but I call it ambition."

"Kneel before me. I am your king."

"The chitauri will devour the weak, and put the strong to work."