The 2025 Topps Marvel Studios - Howard Stark #21 Black Wave Refractor /10 trading card is a highly collectible item that was released at San Diego Comic Con. This limited edition card features the character Howard Stark from the Marvel Cinematic Universe, with a serial number indicating it is one of only 10 produced. The card is made of high-quality card stock with a thickness of 35 Pt. and showcases a unique Black Wave Refractor parallel variety, adding to its appeal for fans and collectors alike. Illustration by Aaron Miller brings the superhero genre to life in this original, English-language trading card manufactured by Topps.