Having seen the trailer for S2 I'm a little disappointed that Q is coming back, never did like the character in his many appearances in TNG and VOY. Does raise the question if he'll be CGI'ed to maintain his younger appearance or if he'll be aging himself to poke fun at Picard.
I can 100% see Q de-aged for the first ten seconds of his appearence.I doubt that they will CGI him.
"Oh, we're doing human ageing now?"
*snaps fingers and becomes Old Q*