The first image we have is the cover, which features Black Kyurm, White Kyurem and Pirouette Form Meloetta. As well as confirms that there is BW2 info in the magazine. :p
Check this post often for updates!
P.S. I’m pretty sure that the character on the right is Hilda 2.0 (It literally looks like she’s wearing Hilbert’s clothes imo), and the character on the left is possibly an entirely new character. Gym Leader perhaps?