Yes, "The Karate Kid Part III" is a 1989 film and the third installment in the Karate Kid series. In this sequel, Daniel LaRusso, played by Ralph Macchio, faces new challenges as he confronts a vengeful rival, Mike Barnes, and his former nemesis, John Kreese, who seeks to undermine his confidence. Mr. Miyagi, portrayed by Pat Morita, continues to mentor Daniel, guiding him through the trials he faces in karate and life. The film explores themes of perseverance and the importance of inner strength.

As of now, there is no movie titled "The Karate Kid 2025" officially announced or in production. "The Karate Kid Part III," released in 1989, is the third installment in the original series, but any potential future projects or sequels would need to be confirmed by film studios or producers. Rumors and fan speculation often circulate about sequels or reboots, but it's important to rely on official announcements for confirmation.

Jaden Smith did not appear in "The Karate Kid Part II" because there was no sequel to the 2010 remake of "The Karate Kid," in which he starred alongside Jackie Chan. The film was a standalone project, and although it was well-received, no direct follow-up was produced. The narrative wrapped up the story of Jaden's character, Dre Parker, without leaving room for a sequel. As of now, there has been no official announcement regarding a sequel featuring Jaden Smith.

You can watch "The Karate Kid Part III" on various streaming platforms such as Amazon Prime Video, where it may be available for rent or purchase. It might also be found on services like YouTube Movies, Google Play Movies, or Apple iTunes. Additionally, it may be available on subscription services like Netflix or Hulu, depending on the region and content availability. Always check your local streaming platforms for the most accurate options.