Toho's website has announced a special pre-screening of "Mewtwo Strikes Back Evolution". Translations follow:

We're Going to Hold Adults-only Pre-screenings of "Mewtwo Strikes Back Evolution"

Adults-only pre-screenings of the movie "Mewtwo Strikes Back" are going to be held according to the schedule listed below.
We await your applications.

Tokyo

Date and time:
Monday July 8th
Doors open at 6pm, movie starts at 6:30pm
Location:
Iino Hall
(Iino Building, 2-9-16 Uchisaiwai-cho, Chiyoda)
Number of invitees:
250 groups of 2, for a total of 500.

Nagoya

Date and time:
Friday July 5th
Doors open at 6:45pm, movie starts at 7pm
Location:
109 Cinemas Nagoya
(2F, Market Square Sasashima, 4-60-14 Hiraike-cho, Nakamura, Nagoya)
Number of invitees:
100 groups of 2, for a total of 200.

Osaka

Date and time:
Friday July 5th
Doors open at 6:30pm, movie starts at 7pm
Location:
International Conference Hall, Osaka Chamber of Commerce and Industry
(2-8 Honmachi-bashi, Chuo, Osaka)
Number of invitees:
200 groups of 2, for a total of 400.

Fukuoka

Date and time:
Monday July 8th
Doors open at 6:30pm, movie starts at 7pm
Location:
T-Joy Hakata
(9F, JR Hakata City, 1-1 Hakataekichuogai, Hakata, Fukuoka)
Number of invitees:
100 groups of 2, for a total of 200.

Sapporo

Date and time:
Monday July 8th
Doors open at 6:30pm, movie starts at 7pm
Location:
Sapporo Plaza 2-5
(5-chome, Minami 2-jonishi, Chuo, Sapporo)
Number of invitees:
100 groups of 2, for a total of 200.

*If a large number people send in applications, the applicants will be entered into a raffle.
*Only the winners will be notified.
*Please note that we will not be able to answer any questions regarding the status of the winners.

Application deadline:
Tuesday June 25th, noon.

*Winners will not be selected on a first-come-first-serve basis.
*Please make sure to read the below terms before sending in your application to ensure there are no misunderstandings.

Click here to apply

Terms:
*Only those over the age of 18 will be allowed in to the adult-only pre-screening.
*Please do not submit applications done for resale or transferring purposes, and do not sell or transfer your status as winner.
*On the day of the screening, we will verify that attendants are the winners by checking their ID. Please bring an ID with a photo if you have one; if you don't, please bring two pieces of ID that can be used to verify your name. This goes for both the winners themselves and those accompanying them. For further info on IDs, go here.
*If the organizers conclude they can not verify the identity of either the winner themselves or the person accompanying them, or if the organizers declare the written invitation is being misused, you will not be able to attend the screening.
*Once you have entered the raffle, you will not be able to change who is to accompany you to the screening if you win. Please enter the personal details of someone you know can accompany you on that day. Also, if you are being accompanied to the screening, make sure both of you come to the ticket counter together.
*If one person submits multiple raffle entries through this site, or if a second entry is submitted by swapping the names of the entrant and the person accompanying them, we will consider this multiple entries and you will not be eligible for winning.
*Please be aware that photographs taken by and video recorded by the media and/or representatives of the organizers may be broadcast or published on TV, in magazines or on websites. In addition, footage from the event may be recorded for use on DVDs and other products that will be available for purchase.
*The events may be canceled due to the weather or other unavoidable circumstances at the organizer's discretion without further notice.

Source: https://info.toho.co.jp/19poke_otona/top.html