Zeta features in Part 2 of "Mobile Suit SD Gundam's Counterattack", specifically "The Tale of the SD Warring States: The Chapter of the Violent Final Sky Castle". Within this narrative set in the fictional ancient Japanese realm of Ark, Zeta is portrayed as a super deformed sentient samurai. This adaptation reimagines standard Gundam mobile suits and mobile armors as feudal warriors. Concrete details concerning Zeta's background, character development, narrative arc, role, motivations, relationships, or evolution across any official media remain undefined.