1) 2 players in the party queued up to Continue and were split up.
2) I was continuing on and ended up in someone's map from a different Round and no way to escape this room. I waited for the server to kick me to get out.
3) I attempted to refresh my consumable boost timers and ended up losing max Grenade capacity (11 to 6) and gaining max Spike capacity (23 to 33).
4) It's also completely possible for the Party Leader to Kick someone from an Expedition at will.