Nintendo Italy has confirmed via Twitter that European players will be able to purchase a special Super Smash Bros. Double Pack for the Nintendo 3DS. Basically purchasers will receive two copies of the game for a discounted price (no yet known).
— Nintendo Italia (@NintendoItalia) August 29, 2014
Super Smash Bros. will release for the 3DS on October 3rd and during the holiday for Wii U.