Peter & Loki (multiples welcome)
It was difficult - no, impossible - to overcome being associated with that event. A war that he hadn't truly wanted but had started by being at the right hand of Thanos. Of which, there was no side of Thanos that was good, and he was going to be wary of scepters from now on.
"Oh, I do remember." Loki's smile said he had pulled knives on quite a few occasions regardless. He was curious as well, because he wasn't sure what mortal graduations involved, fully. "We marked our age of majority in combat, as all warriors of Asgard must do to prove their worth. It meant that we were ready to go forth on campaigns, all to ensure the peace."
He passed, of course, but only because he used his skills with magic. It wasn't deemed honorable, but it was effective.
He tilted his head to one side. "What did you do to graduate?"