The 2021 Weiss Schwarz Marvel set represented a significant moment for the TCG crossover landscape, bringing together Japanese card game sensibilities with Marvel's expansive character roster. This collaboration appealed to collectors bridging anime card culture and Western superhero fandom, creating a unique intersection that resonated during the trading card boom of the early 2020s. Mantis emerges as a notable character inclusion from Marvel's cosmic roster, recognized for her telepathic and empathic abilities. Her "Mind-Reading Myst" designation captures these psychic powers central to her character, making her particularly compelling for players seeking thematic deck construction and Marvel fans collecting their favorite characters from the MCU's expanded universe.