From the Live Duel at the NAWCQ.
Some names of upcoming cards for the Superheavy Samurai theme and the Jack Atlas Red Dragon Archfiend/Resonator Deck have been revealed in the Live Duel at the NAWCCQ:
“Bone Archfiend”, “Vision Resonator” and “Absolute Powerforce” will be included in the upcoming Structure Deck: The Crimson King.
Additionally, the bonus card included in the OCG version of the Structure Deck was revealed on stream, but we didn’t get its name.
Source (around 8 hours 24 mins in, if the timestamp does not work).