Buy a Gamora costume this Halloween to become the heroine of the Guardians of the Galaxy. As you know, Gamora is the adopted daughter of Thanos and a former assassin. Hired to steal the Orb held by Star-Lord, she becomes friends with the other members of the Guardians of the Galaxy. She is played by Zoe Saldana in the 2014 and 2017 movies about the Marvel superheroes. Shop our selection of Gamora and other Guardians of the Galaxy costumes for October.