The Infinity Warrior

Summary: The Aether infinity stone has gone missing, and not even the omniscient Heimdall can see it, anymore. Fearing it has once again fallen into the hands of evil, Thor has no choice but to once again ask his disgraced brother, Loki for help. Together they must find the one being in all of the nine realms that can not only locate the lost stones, but can also master them.