The official Pokemon website has updated with details shown in Corocoro about Genesect. Along with this came a picture and a few sentences announcing that the Pokemon movie for next year will, indeed, star Genesect.
A trailer is supposedly shown after Sacred Swordsman that gives us a look on what the movie will look like for next year, but no details other than the fact that Genesect is in it has risen yet.
Stay tuned 🙂 UPD: A user on YouTube has posted the following low-quality preview of the trailer shown after the movie:
httpv://www.youtube.com/watch?v=G6rheNGYN_Q