My Brother's Keeper by Hotchoco195
Summary: Thor thinks he'll be able to stay with Jane if he gives Odin an alternative heir. Loki knows he's an idiot. Odin trusts they're both puppets in his hands.
Or, Loki's purpose of bringing the Jotnar and Aesir together is finally (forcibly) put in motion, and there doesn't seem to be an easy escape this time.













