‘Whosever holds this hammer, if they be worthy, shall possess the power of Thor!’ So reads the legend inscribed upon the fabled hammer Mjolnir! But now the once-mighty Thor Odinson has been proved unworthy, and a mysterious woman has stepped forth to claim this mystical weapon as her own. As an ancient foe returns to bring war upon the Nine Realms, the incredible powers of the Thunder God are needed more than ever! Can this all-new hero prove she has what it takes to be the Goddess of Thunder? Collecting Thor 1-4, Thor Annual 1 and The Mighty Thor 13-14