Thanos: Zero SanctuaryCollects Thanos (2019) #1 6. Thanos is dead! The Mad Titan has been executed by the deadliest assassin in the galaxy: his adopted daughter, Gamora! But long before their twisted familial relationship came to a bloody end, how did it begin? Travel back to Gamora's childhood and the day her life changed forever. What kind of a father figure was the brutal and merciless Thanos of Titan? And did he mold her into what she became, or was Gamora born to be