Activision's two key Call of Duty studios, Treyarch and Infinity Ward, have not been involved with the gameplay development of the PS Vita shooter Declassified.
John Rafacz, a communications manager at Treyarch, told CVG that "we have not been involved with the Vita version".
Call of Duty Black Ops: Declassified, developed by the independent California studio Nihilistic, has frequently been publicised by Sony although Activision has been relatively quiet on the project.
This led to some suspicions that Activision was not publishing the game but instead licensing the brand to Sony. To clarify the matter, Activision issued a statement to CVG explaining:
"Activision is the publisher, but we also have a partnership with Sony to bundle Declassified with the PlayStation Vita."
It added that, with Declassified story taking place in the timeline between the original Black Ops and Black Ops II, Treyarch was "consulted to ensure accuracies within the fiction".
The Call of Duty Black Ops Declassified release date is set for November.