Action Comics Vol. 1 (1938-2011; 2016-) #1036

Plot

THE WARWORLD SAGA, PART ONE

THE WARWORLD SAGA BEGINS! After learning of an enslaved race with mysterious ties to Krypton, Superman and the Authority travel across the galaxy to dethrone the new Mongul and liberate Warworld. Introducing new characters and a new corner of the DC Universe, the biggest Superman event since the Death and Return of Superman begins HERE!