Now ALL of the WW2 sets have appeared on AliExpress:
M38-B0678A 4in1 Howitzer, 88 pcs -> Best price: 3,30 €
M38-B0678B 4in1 Jeep -> Best price: 3,30 €
M38-B0678C 4in1 Flak -> Best price: 3,30 €
M38-B0678D 4in1 Trailer -> Best price: 3,30 €
M38-B0679 Armoured Car, 334 pcs -> Best price: 13,17 €
M38-B0682 Gaz 67 Light Truck, 112 pcs -> Best price: 4,33 €
M38-B0683 Ilyushin 2, 170 pcs -> Best price: 9,63 €
M38-B0685 Gaz Halftrack 2in1, 243 pcs -> Best price: 12,28 €
M38-B0686 BT-7 Cavalry Tank, 347 pcs -> Best price: 14,05 €
M38-B0687 SU-85 Tank Destroyer, 338 pcs -> Best price: 12,65 €
M38-B0688 Tupolev Tu-2 Bomber, 311 pcs -> Best price: 14,05 €
M38-B0689 T-34/85 Medium Tank 2in1, 687 pcs -> Best price: 21,12 €
M38-B0690 VW Type 166 Schwimmwagen, 106 pcs -> Best price: 4,12 €
M38-B0691 Panzer II, 356 pcs -> Best price: 12,79 €
M38-B0692 Messerschmitt BF-109, 289 pcs -> Best price: 12,79 €
M38-B0693 Panzer IV / Nashorn 2in1, 543 pcs -> Best price: 15,78 €
M38-B0695 Sd.Kfz. 251 K18, 460 pcs -> Best price: 13,19 €
M38-B0696 Battle of Stalingrad (incl. "Puma"), 479 pcs -> Best price: 17,43 €
M38-B0697 Battle of Kursk: Flak, Plane, Howitzer, Tank, Bike, Mortar, Bunker, 998 pcs -> Best price: 29,95 €
One of the shops that has all the Russian stuff: