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 question: Where is Lion-0? 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!

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