Of those four films, In the Mood for Love is the only previously available Criterion entry receiving a Blu-ray upgrade; the rest are new to the Criterion Collection.
Furthermore, The Forgiveness of Blood, Sunday Bloody Sunday, and Rosemary's Baby are making their respective debuts onto the North American Blu-ray format.
Quoted below are Criterion's release date and disc specifications for each film.
In the Mood for Love (October 2nd, 2012)
High-definition digital restoration, approved by cinematographer Mark Lee Ping-bin
5.1 surround DTS-HD Master Audio soundtrack
In the Mood for Love, director Wong Kar-wai's documentary on the making of the film
Deleted scenes with director's commentary
Hua yang de nian hua (2000), a short film by Wong
Archival interview with Wong and a 'cinema lesson' given by the director at the 2001 Cannes Film Festival
Toronto International Film Festival press conference from 2000, with stars Maggie Cheung Man-yuk and Tony Leung Chiu-wai
Trailers and TV spots
Two new interviews with critic Tony Rayns, one about the film and the other about the soundtrack
A booklet featuring an essay by novelist and film critic Steve Erickson and the Liu Yi-chang story that provided thematic inspiration for the film
The Forgiveness of Blood (October 16th, 2012)
New high-definition digital transfer, approved by producer Paul Mezey
5.1 surround DTS-HD Master Audio soundtrack
Audio commentary featuring director and cowriter Joshua Marston
Two new video programs:
Acting Close to Home, a discussion between Marston and actors Refet Abazi, Tristan Halilaj, and Sindi La�ej
Truth on the Ground, featuring new and on-set interviews with Mezey, Abazi, Halilaj, and La�ej
Audition and rehearsal footage
Trailer
A booklet featuring an essay by film writer Oscar Moralde
Sunday Bloody Sunday (October 23rd, 2012)
New high-definition digital restoration, supervised by director of photography Billy Williams
Uncompressed monaural soundtrack
New video interviews with actor Murray Head, Williams, and production designer Luciana Arrighi
Illustrated 1975 audio interview with director John Schlesinger
New interview with writer William J. Mann (Edge of Midnight: The Life of John Schlesinger) about the making of Sunday Bloody Sunday
New interview with photographer Michael Childers, Schlesinger's longtime partner
Trailer
A booklet featuring a new essay and screenwriter Penelope Gilliatt's 1971 introduction to the film's screenplay
Rosemary's Baby (October 30th, 2012)
New high-definition digital restoration, approved by director Roman Polanski
Uncompressed monaural soundtrack
New interviews with Polanski, actor Mia Farrow, and producer Robert Evans
Komeda, Komeda, a feature-length documentary on the life and work of jazz musician and composer Krzysztof Komeda, who wrote the score for Rosemary's Baby
1997 radio interview with author Ira Levin from Leonard Lopate's WNYC program New York and Company on the 1967 novel, the sequel, and the film
A booklet featuring an essay by critic Ed Park and Levin's afterword for the 2003 New American Library edition of his novel, in which he discusses its and the film's origins
These Blu-rays will be available for pre-order on Amazon shortly.