Official Jhin Face Reveal (ACTUALLY LEGIT FOR REAL)

Or rather, this is the closest thing we'll ever get to an official reveal, but it does reveal a lot (the only real exceptions being the eyes, which are censored out.)

These are 100% legit, as it was official Riot concept art used as character references for the Zed comic.

So...

CLICK AT YOUR OWN RISK:

https://pbs.twimg.com/media/EjHRIu0XYAoBG9D?format=jpg&name=large

https://twitter.com/KlNKOU/status/1311058918890708998

Either way, I get the feeling we'll see a full Jhin face reveal (be it through a cinematic, new skin or another comic) either at the tail-end of this year or sometime within the first-half of next year. If they're already revealing this much through a concept art for the collector's edition of the Zed comic, then IMO, that strongly implies they're confident in showing off his full visage in the near-future.