DOCTORS FOSTER & BLAKE- READY YOUR SCALPELS! Once upon a time- Jane Foster and Donald Blake were more than friends. With Blake at her side- Jane could've shared the very throne of Asgard. Now…they are about to become the bitterest of enemies. And if Valkyrie falls- she'll have lost more than a crown. All of the Ten Realms are at stake - not to mention the life of All-Father Thor!