The Pokémon Centers will begin selling new plushies from the games Pocket Monsters Sword and Shield starting on April 11th, 2020. These items will also be available on the Amazon.co.jp Pokémon Store starting on April 18th, 2020 with pre-orders starting on April 11th, 2020.

Item List:

Plush Galar Ponyta - 1815 yen
Plush Cramorant - 1815 yen
Plush Cramorant Gulping Form - 1815 yen
Plush Polteageist - 1815 yen
Plush Sirfetch'd - 2200 yen

Source: https://www.pokemon.co.jp/info/2020/03/200319_p02.html