Earlier today two images leaked on Weibo that seem to show a new Combiner being released as part of the toy line for "The Last Knight"! The Combiner is named Infernocus and is a mixture of old and new sculpts. The limbs of the Combiner are all redecos of Terrorcons from "Beast Hunters", but the torso section "Skulk" appears to be a brand new toy. The torso section also appears to be larger than the limbs, making for a more proportional figure than Abominus.
For those curious, here is the breakdown of reused sculpts: