From the update:
The WW1 Wings of Glory Duel Packs will be available in two versions: Fokker Dr.I vs Sopwith Camel (piloted by aces Manfred Von Richthofen and Arthur Roy Brown) and Albatros D.Va vs Spad XIII (Paul Baumer and Frank Luke Jr.). Beside the miniatures with special gaming bases, each set will feature a rulebook with Basic and Standard rules, maneuver and damage cards, 40 counters, two measuring rulers and two airplane consoles. The packs will also contain Target, Trench and Anti Aircraft Machine Gun cards, to allow playing a number of different scenarios. The WW1 Duel Packs suggested retail price is estimated to be US$ 30.