A Pokémon TCG: Pokémon GO Pikachu Promo Card will be distributed in Canada and the United States. The card is free and is available while supplies last at participating stores.

Charge Up with a Pokémon TCG: Pokémon GO Pikachu Promo Card

Treat yourself to a free promo card featuring this beloved Pokémon!

The Pokémon TCG: Pokémon GO expansion offers an electrifying collision of two distinct and delightful Pokémon games. Fans of both the Pokémon TCG and Pokémon GO can celebrate this special expansion with a free promo card featuring Pikachu decked out in a blue Pokémon GO hat! Promo cards will be available at GameStop, Best Buy, and Barnes & Noble. They'll also be available in Canada at GameStop, Toys“R”Us, London Drugs, Mastermind Toys, and Indigo Books.

Don't wait too long—this Pikachu promo card will be available only while supplies last.

Source: https://www.pokemon.com/us/pokemon-news/charge-up-with-a-pokemon-tcg-pokemon-go-pikachu-promo-card/