The sequel to the 2005 film Constantine, starring Keanu Reeves as the lead character, John Constantine, is currently in development. However, I couldn't find any information on a completed film or a French version of Constantine 2.
No official date has been set, but it is unlikely to arrive before late 2026 or 2027. IGN France Where to Watch Existing "Constantine" Content Constantine 2 Film Complet Version Francaise
: Original director Francis Lawrence is set to return, and Akiva Goldsman is handling the script. Script Status The sequel to the 2005 film Constantine, starring