Christine Baranski has confirmed that a third Mamma Mia movie is in the works, sharing details about its development during an interview with The Hollywood Reporter. Producer Judy Kramer has provided Baranski with the narrative plotline, indicating a strong commitment to making the film a reality. Baranski expressed optimism about reuniting the cast on a fabulous Greek or Croatian island setting, similar to the previous films. Meryl Streep, who portrayed Donna, has also commented on her potential involvement, hinting at creative ways to reincarnate her character. Additionally, there are discussions about bringing director Greta Gerwig on board following her success with Barbie. The franchise has maintained its popularity since its inception, captivating audiences with its musical charm and ABBA hits.