The official Pokémon movie website has updated. Translations follow:

June 23rd and 24th is the Next Generation WHF! Get the Lastest Pokémon News Before Anyone Else in Makuhari Messe!

There will be a Pokémon Booth at the "Next Generation World Hobby Fair Summer '18", Japan's largest game and hobby event,
which will be held in Makuhari Messe Saturday June 23rd and Sunday June 24th!

The Pokémon Booth will have a Zeraora attraction that will let you experience the world of "Pocket Monsters the Movie: Everyone's Story",
which premieres Friday July 13th!
If you experience this attraction, you will receive an original venue-exclusive wrist band!

In addition, you will be able to receive the "Wind Lugia", which has moves that manipulate the wind and which you can't catch in "Pocket Monsters Ultra Sun/Ultra Moon",
on the spot at the special pre-order movie ticket counter in the booth!
Don't forget to bring "Pocket Monsters Ultra Sun/Ultra Moon" to this next generation venue!



And there's more!
If you purchase a special pre-order ticket at the venue,
you'll receive an exclusive vinyl shopping bag!
And not only that! You'll also be able to try out original Pokémon face stickers!



At the stage, the hosts of "Pokémon no Uchi Atsumaru?" will present the latest news on the movie and the like!
And of course, we'll also have the latest news on the video games and demo sections!





Let's enjoy Pokémon all day!

Info on the Next Generation World Hobby Fair '18 Summer:
Dates:
Saturday June 23rd and Sunday June 24th
Scheduled opening hours are 9am to 4pm (the entrance closes at 3:45pm)
Location:
Exhibition Hall 9, 10 and 11, Makuhari Messe International Exhibition Hall, Chiba
Access:
Approx. 5 minutes on foot from Kaihimmakuhari Station on the JR Keiyo Line
Approx. 15. minutes from Makuharihongo Station on the JR Sobu Line and Keisei Line with the "Kaihimmakuhari Station-bound" bus.
Approx. 17 minutes with the "Makuhari Messe Center-bound" and "Zozo Marine Stadium/Medical Center-bound" buses.
*The times given are approximate. It may take some time before you can enter the venue depending on the time of the day.
Notes:
*Admission is free.
*There are no weather restrictions.
*For important notes and information regarding your visit, please see the official Next Generation World Hobby Fair '18 Summer website.

Click here for the official Next Generation World Hobby Fair '18 Summer website

Source: http://www.pokemon-movie.jp/news/?p=3329