Original Sin: Thor & Loki: The Tenth Realm

Thanks to the events of Original Sin, the deepest secret of the Nine Realms has been revealed: namely, the existence of a Tenth Realm! Now, Thor and Loki must embark on a quest to discover this strange new world - and to discover the sister that Thor never knew he had: Angela! But can Loki be trusted? And will brother and sister murder each other before the truth comes out?