the thing about the 10th was this.
That we would not see anything until AFTER the 10th, because the tenth is when The Mattel superman was released.
So as to not deter anyone from buying the mattel one by showing the superior hot toys one until after Mattel makes money, and by license money, DC comics made money from that one. A Owner of Intellectual property that has been licensed out, Like DC, can make Hot toys do that, if they want to.
Is it speculation? Yes. Can we ever prove it actually happened? No, but given that hot toys usually doesn't make us wait this long between product tease, and detail specs, I still think there is something to it.
also, it's no longer the 10th, Mattel changed the release date to the 15th.