*Must use your Marvel Mastercard to receive discount. Discount is valid only on Marvel-branded merchandise from Marvel's official merchandise booth at NYCC only. Cannot be combined with any other promotional offers. Can be applied to already discounted items. No adjustments based on the discount will be made to prior purchases. Returns and exchanges subject to discount taken at time of redemption. Valid through October 4th, 2018 - October 7th, 2018.