Marvel Loki Mischief Girls Tanks Thor knows how sassy his brother, Loki, can be on the Marvel Loki Mischief Heather White Racerback Tank Top. The infamous villain, Loki, is featured with a new look with his name and horned helmet printed in a distressed pink across this light gray Loki tank. 50% Polyester, 25% Cotton, 25% Rayon. Designed with raw-edge hems.