A Brighter Fire in the Dark (джен)

Odin discarded the Jotun race and their world into darkness. A necessary iniquity, and the only way to ensure they never again rose up to attack another realm. But how could that place of ice and nothing else have produced a fire so bright as Loki Laufeyson?
An attempt to reconcile the idea of Loki and Odin as blood brothers with the Marvel canon.