The official Pokémon movie website has updated. Translations follow:
Media Information
Magazines:
Wednesday June 21st: "Corocoro Ichiban!" - Special movie feature ("Pokémon Fan Newspaper")
Friday June 23rd: "CanCam" - Interview (with Kanata Hongo)
Saturday June 24th: "Cheese!" - Interview (with Kanata Hongo)
*Note that these are the scheduled publication dates/on-sale dates, and as such are subject to change without notice.
Source:
http://www.pokemon-movie.jp/news/?p=2775