Good Smile is releasing the SSSS. Gridman DX Assist Weapon Figure Set, based on the new SSSS. Gridman anime. This articulated figure stands 14cm tall and comes with a sword, traveling mecha, flight mecha, and drill mecha. It will retail for 15,278 yen and can be pre-ordered now from Good Smile or other retailers with release scheduled for April 2019. Updated with new images (bottom).
New images of the figure with accessories attached, like the show.