Marusan is holding another Pop-Up Shop in Asakusa New Stage, the figures are Heisei Godzilla 350 Lucky Bag Halloween Image Color Versions, and the Marugacha Godzilla and Toho figures. The Heisei Godzilla are a lucky bag, stand 23cm tall, are different colors (two, possible more), and they retail for 13,200 yen, the Marugacha are 6cm, a variety of colors and retail for 1,000 yen each. The lottery can be entered on the Marusan Instagram page or by emailing Marusan with the subject "POP-UP Asakusa 10/15" and your name, address, phone number by Oct 11th.
Update: It appears the Heisei Godzilla figures are available at the Tokyu Hands Shibuya store as well, with the same pricing.