1959: "Hercules" "Fatiche di Ercole, Le" The first Italian version directed by Pietro Francisci. Stars Steve Reeves, Sylvia Koscina, Gianna Maria Canale, Fabrizio Mioni, Ivo Garrini, Gina Rovere, Luciana Paoluzzi.
1959-60: "Hercules Unchained" in Italian called "Ercole e la regina di Lidia." The sequel to the first "Hercules."
1961: "Hercules in the Haunted World" Italian language film directed by Mario Bava. Stars Reg Park, Christopher Lee, Leonora Ruffo, Giogrgio Ardisson, Ida Galli.
1963: "Sons of Hercules" Italian language film, redubbed in English as "Sons of Hercules" Starring Dan Vadis with Spela Rozin, Carol Brown, Ken Klark, John Simons, Janette Barton, Hugo Arden.
1964: Hercules and the Tyrants of Babylon. Italian film directed by Domenico Paolella
1964: "Hercules Against the Moon Men" "Maciste e la regina di Samar." Hercules is summoned to defeat the mountain-dwelling monsters that are oppressing the people of Samar, but Queen Samara has her own deal with the monsters and opposes Hercules' meddling.
1970: "Hercules in New York" Arnold Schwarzenegger (Arnold Strong), Taina Elg, James Karen, Deborah Loomis, Earnest Graves, Tammy McDonald. Hercules travels to earth from Mt. Olympus and gets mixed up with gangsters in this comedy spoof. Reissued as "Hercules- the Movie" at 82 minutes and "Hercules Goes Bananas" at 75 minutes. Download copy from Amazon.com (rental): Hercules in NY
1983 "Hercules" Italian version directed by Lewis Coates stars Lou Ferrigno as Hercules. Also stars Mirella D'Angelo, Sybil Danning, Ingrid Anderson, William Berger, Brad Harris, Rossana Podesta. Loaded with secial effects. Hercules resues kidnapped Princess Anderson. Sequel followed.
"Hercules and The Captive Woman" In Hercules and the Captive Women, Hercules and Androcles (Ettore Manni), the King of Tebes, journey to the island of Atlantis where the evil queen (Fay Spain) has hatched a diabolical plan for world domination. Filmed on a particularly lavish scale, this was the only Hercules film photographed in 70mm. Purchase a download copy from Amazon.com (rental): Hercules and The Captive Woman
1985: "Hercules II" Italian language film directed by Lewis Coates and stars Lou Ferrigno, Milly Carlucci, Soniia Viviani, William Berger, Carlotta Green, Claudio Cassinelli. Sequel to the 1983 production. Video title: "The Adventures of Hercules."
1997: "Hercules" Directed by Ron Clements and John Musker. Disney cartoon based on the Greek mythology of Hercules. Voices of Tate Donovan, Susan Egan, James Woods, Danny DeVito, Rip Torn, Samantha Eggar, Bobcat Goldthwait, Matt Frewer, Hal Holbrook and Barbara Barrie. Baby Hercules is stolen from Mount Olypus and raised as a motral with incredible strength. Followed by an animated TV series and video sequel. Purchase a download copy from Amazon.com (rental): "Hercules"
From Leonard Maltin's "2004 Movie & Video Guide" and wikipedia: Hercules