The 2025 KAKAWOW COSMOS Marvel Trading Card Sealed Booster Box is a collectible card set featuring characters from the Marvel franchise. This box includes 50 standard-sized cards made of card stock, with Iron Man as a prominent character. Manufactured by Marvel in China, these non-sport trading cards are suitable for ages 6 and up and come with a unique box topper feature. The set is in Chinese language and part of the TV show and movie series, making it a must-have for fans and collectors alike.