The 2020 Marvel Masterpieces Complete Base Set 81 Cards Tier 1-3 NM by Upper Deck is a highly sought-after non-sport trading card set featuring characters from the Marvel Cinematic Universe. This set includes cards from Tier 1, Tier 2, and Tier 3, offering collectors a comprehensive collection of Marvel heroes and villains. Each card in the set is designed with stunning artwork and compelling stories from the Marvel franchise, making it a must-have for fans and collectors alike.