First GX card from upcoming set Miracle Twins (SM11) has been revealed, featuring Mewtwo & Mew GX. Releasing in Japan on May 31, 2019, the set will include more than 94 cards. We now have images of the official packaging as well, for both the pack and the box.
In addition, the Pokemon Company has revealed starter decks featuring either Espeon & Deoxys, and Umbreon & Darkrai GX cards. These will release on May 31 as well.