A planned trilogy refers to a set of three related books, movies, or works of art that are intended to be created and released in a specific sequence or order. Full definition
It performed badly enough on launch that an entire planned trilogy was cancelled. (pcgamesn.com)
Mr. Arad and EA are remaining tight - lipped on details of where they are in pre-production but it's a good bet that they will try to tie in the hype of this film to the release of the second or third installment of planned trilogy of games. (screenrant.com)
Special mention also goes to the gutsy inclusion of two in Yuthlert Sippapak's planned trilogy about weekend hitmen: Mue Puen Dao Pra Sao (Saturday Killer) and Mah Kae Antarai (Friday Killer), with Sunday Killer in the works. (sensesofcinema.com)