The Mobile Suit Gundam Iron-Blooded Orphans Official side story [Gekko] has teased its second phase, that will start its serialization in May 2017.
Mysterious Gundam Astaroth like Gundam Frame and Gundam Dantalion were teased in silhouette form.
More info about the new Gundam frames will be revealed soon. Stay tuned!
HG kits might be announced later.