2025 SDCC Topps Marvel Mint Magneto 91/99 On The Platinum Parallel. 2025 Topps Marvel Mint Magneto – Platinum /99. From the premium 2025 Topps Marvel Mint set, originally released at San Diego Comic-Con and later in hobby shops, this Platinum parallel of Magneto is serial numbered to just 99 copies. Printed on thick foil stock with stunning artwork, this card comes fresh from the pack, sleeved, and top-loaded. Mint/Near Mint to my eye, from a smoke-free home.