Matthew Exton Reeve is a British-American producer, director, screenwriter, and activist. Born in London, he is the elder son of actor Christopher Reeve. His mother was Reeve's long-term partner Gae Exton. From Wikipedia
The World War II-set film, part of James Gunn and Peter Safran's reimagined DC Universe, is expected to begin production in summer 2025 if negotiations succeed.
