https://www.slashfilm.com/1530326/dc-watchmen-paul-greengrass-twisted-superman-opening/
Paul Greengrass' Watchmen movie would have been very different from Zack Snyder's adaptation, starting with an opening that evoked DC's Big Blue Boy Scout.
paul greengrasswatchmen moviescrappedopenedtwisted
https://www.slashfilm.com/517256/screenwriter-paul-greengrass-attached-direct-fear-index/
Update: This is now confirmed. At this point Paul Greengrass has not directed more movies than he's directed. Let me explain. Since his last film, Green Zone,...
the fear indexpaul greengrassdirect
https://www.hollywoodreporter.com/movies/movie-news/matt-damon-paul-greengrass-talks-733017/
Apr 29, 2023 - Greengrass would write the script
matt damonpaul greengrasstalksnew