Marvel Mighty Thor Journey into Mystery Girls Tanks Celebrate the origin of "The Mighty Thor" with the Marvel Mighty Thor Journey into Mystery Heather White Racerback Tank Top! This soft light gray top reads "Journey into Mystery with Thor" in ombre-style letters that fade from orange to yellow above a hammer-wielding Thor in an homage to Thor's debut comic book appearance. 50% Polyester, 25% Cotton, 25% Rayon. Designed with raw-edge hems.