'THE LEGACY OF THANOS' - PART ONE! Nic Klein returns with guest writer Torunn Gr?nbekk (JANE FOSTER & THE MIGHTY THOR, PUNISHER: WAR JOURNAL) for a Valkyrie-filled adventure! When a universally loathed foe kidnaps Thor's baby sister Laussa and drags her so deep beyond Hel that not even Sif's All-Sight can see her, the God of Thunder must call upon the one ally who has traveled so far into the unknown before: R?na. But what dark secrets of Asgard's bloody past lay beneath the frozen waters? Rated T+