LION-O STANDS ALONE! After successfully repelling Mumm-Ra’s all-out attack on the Cat’s Lair with the help of Calica and her new android allies, the ThunderCats are left with a single burning Where is Lion-O? The answer to that mystery is finally revealed here, as the brash young leader escapes from Mumm-Ra’s captivity with the help of a mysterious robed stranger—only to find himself alone on an alien world, fighting for his life! DECLAN SHALVEY and DREW MOSS cap off their galaxy-shaking third story arc with ThunderCats #15 — memorialized in epochal covers from MOSS, SHALVEY, LUCIO PARRILLO, JAE LEE & JUNE CHUNG, FELIPE MASSAFERA, and MANIX!