Even If It Hurts

LOKI is sent by Odin to an off world prison but Thor learns there's more to this sentence than what he was told. However with no way to interfere he must rely on Heimdall for updates until the day that Loki is suddenly stolen by Thanos and hidden from all sight.
Thor must return to Midgard to ask his fellow Avengers for help in rescuing his brother.
Returned to Midgard after years of torture at Thanos' hands, and with S.H.I.E.L.D. gone, into whose hands will Loki now fall?
Will Loki be able to recover from the mental torture of his punishments? Or from Thanos? And from Odin? Or will his mind remain shattered and unstable?
Will his cruelty to the Avengers now be repaid when he's at his weakest? Or will he find someone willing to protect him even if it hurts them?

There will be no trigger warnings in the story, also, be aware that this story may have every single one.
Read the tags if you need examples.
This is your only warning, there will be none in the story.

Chapters are 5,000 to 12,000 words each.