The Giovanni & Mewtwo Nendoroid figure release has been confirmed in Japan. It is available now on Pokevault for pre-order and will be available in late August or early September, 2018.
There are 3 different versions. The normal version does not have any special bonus items.
The Japan Pokemon Center version comes with an Ultra Ball.
The GoodSmile version comes with a Rocket logo stand.
Nendoroid figures are figures with interchangeable facial expressions, body parts and props. Giovanni comes with 3 different facial expressions and Mewtwo comes with different arm poses. Be sure to visit Pokevault for all the other Pokemon Nendoroid figures and details.