The 2025 Topps Chrome Marvel Ultron Blue Refractor #138 trading card is a highly sought-after collectible item featuring the character Ultron from the Marvel franchise. This limited edition card is part of the Marvel set by Topps and is a Blue Refractor parallel variety, with only 299 copies in existence. It is serial numbered and showcases the iconic Ultron character in a unique and exclusive design. Perfect for any fan of the Marvel Cinematic Universe, this card is a valuable addition to any trading card collection.