Action Comics #1071 Cover C Stevan Subic Card Stock Variant

TRAPPED IN THE PHANTOM ZONE! Investigating the ethereal prison created by his father, Superman finds himself helpless before the dreaded Phantom King. But what surprise reveal is in store for him? A clue lies in Superman's teenage years! Plus, Supergirl finds herself on trial as she comes face-to-face with the judge of the United Planets' highest court!