>>23507295It's very unlikely to happen, but I think I'd like to see him in Z or X2Y2 or whatever.
I mean, the purpose of his research was to find ways to unleash the full potential of a pokemon, so he'll be naturally interested in Mega Evolution.
Plus in XY there's an NPC in Route 10 that says:
>""A few years back, this really strange dude named Colress told me that these big stones emit some kind of special energy." 
