>>6996289Not sure how to sauce you on that, it's just something I know from buying them regularly (they are generally cheaper by 30% or more) The mainland china version has a HasbroCN sticker/label on the packaging, their "3C" sticker and an additional instructional booklet in Chinese.
They are "bootleg" in the sense that they are parallel import goods not meant for export outside China. In Chinese the "bootleg" term refers to this as well as KOs.