Peter & Loki (multiples welcome)
"Oh, much like ensuring the peace," Loki replied, "it wasn't very peaceful for the losers. A consilatory pat on the back and years of being reminded of one's shortcomings. Including using magic in mid-combat."
Which wasn't very honorable, apparently. Loki looked as though he had sucked on a lemon for a couple seconds, before schooling his expression back into something much more pleasant.
"All things considered, I'd prefer the mental combat," he said, profoundly amused. "Including the tears. I'm glad you surpassed this, and assume you will not have to go through this again."