"Of all the places to find physicalism. Okay. I didn't run into any hobbits, were there hobbits?"
"I continue to be concerned about the Elves you haven't released."
"Many societies get along with punishments lighter than exile for deaths less motivated and more permanent than those your" prisoners "guests caused."
"Would you like me to solve this problem with time travel?"
"...I was not expecting that answer. I haven't wielded the time stone before so I don't know if I'd be able to finesse it very precisely - I'm getting excellent results with space, just barely passable with reality. If you will reembody the Kinslayers I am willing to try the time stone and see where it can get me on this problem without unpalatable results."
That is not the order of operations she suggested. "So you're just planning to keep them forever unless I roll them back to a more innocent state."
Loki holds out her hand.
Loki solves this problem with time travel.