Yes, if you are engaged in 1 vs 1 in custom match - right before the match starts and just after the countdown.. it flicks to a random map.
Regularly. And, I mean regulariy.
So, you might start on Knife fight on 1 vs 1 in custom and it will flick to Grison, or some other map.
You can see the flick in the map display window before it loads the the main screen.
