Update: One or more card offers in this post are no longer available. Check our Hot Deals for the latest offers. The Marvel Mastercard is a no-annual-fee cash back card from Synchrony Bank with cool superhero card art. But just because a card looks fancy doesn’t mean it deserves a place in your wallet. It earns 3% cash back … Continue reading Synchrony Marvel Mastercard review (3% back on dining and entertainment)