Just looked up what happened with my Master Case's when I got them.
Series 2 Master Case.
Box 1: Indy.
Box 2: 4 White Sandtroopers.
Box 3: 4 Orange Sandtroopers.
Box 4: 4 Orange Sandtroopers.
All contained the Cantina Member with the stand.
Series 3 Master Case:
Box 1: Carb Han, Jawa.
Box 2: Carb Han, Jawa.
Box 3: 4 Hybernation Sickness Han's.
Box 4: Carb Han, VC Jawa.
No Logray.
So yes, 2 boxes will be normal.