The official Pokémon movie website has updated. Translations follow:

We Will Hold a Supportive Screening of "Mewtwo Strikes Back Evolution" on Friday July 19th

Join your fellow fans in showing your support for those emotional impressions we've all experienced

The legendary event that sold out immediately after tickets went on sale last year
is going to be held once again!

You'll be free to express your support for your favorite Pokémon!
And you can cheer for your favorite characters too, if you want!

Let's all loudly scream out our passionate feelings towards the movie screen!



And she'll be joining you again this year as well!
Shoko Nakagawa, who handled the theme song alongside Sachiko Kobayashi,
will be sitting there in the audience with you, cheering passionately.

Tickets are available until midnight Tuesday July 16th!
Get them here!

Make sure to take the opportunity to join!

Theater: Shinjuku Wald 9
Date and time: Friday July 19th, 9:40pm
*This event is for those age 18 or older only.
*Talking and singing during the movie is allowed.
*Cosplay and props like glowsticks etc are allowed. (Musical instruments are not allowed)

Notes regarding the supportive screening:
Introduction:
"I want to return to being a kid once again - I wonder if I can't become one, even for a day?"
This is a screening for adults that feel this way; Adults that want to return to when they were Pokémon-obsessed kids and cheer on Satoshi and Pikachu once again.

Fill your pockets with lots of Fantasies and come to the theater.

About supporter items:
You may bring supporter items like fans and glowsticks to the screening.
*When you really feel like Pikachu is being super cute, wave a yellow glowstick.
*When you want to show your respect to Mewtwo, act dignified with purple.
*When Satoshi shows off his Super Masaran power, cheer him on with red.
*When the tomboyish mermaid Kasumi overflows with cuteness, make a splash with blue.
*When the mythical Pokémon Mew appears, impress it with pink.

About cheers:
Since you went to the trouble of attending this screening, you should cheer your lungs out! Quips, shouts of joy, cheers; you name it, it's allowed. Even if it's unclear what you're saying, "everyone should understand how you feel"!

*When Mewtwo wakes up in the lab, we should yell the answers to his questions at him.
"Where am I?" -> "The theater!"
"Who am I?" -> "Mewtwo!"
*When your favorite Pokémon appear, you should scream its name.
"Donfaaaaaaaaaaan!"
"Xuuuuuuuuuuuuux!"
"Barnaaaaaaaaaard!"
*You should sing along to "Mezase Pokémon Master"!!
Everyone should sing "Getto daze-i-e-i-e-i-e-i-e-i-e-i-eeee"!

About manners in the theater:
*It's forbidden to suddenly challenge the person next to you to a battle or to throw a monster ball at the screen. In addition, please make it clear to any Pokémon you bring along that they're not to use any moves or such while watching the movie.
*Taking photos or recording video during the movie is strictly forbidden. Junsa-san will be keeping a close watch.

Other notes:
Please tell your future children the tale of this summer when you one day meet them.

Source: https://www.pokemon-movie.jp/news/?p=3785