For now, the project is moving forward with a new director and is targeting a 2024 release date.
Metro 2033 (novel) - Wikipedia
Metro 2033 Film Halted Following Failed 'Americanization' Efforts - eTeknix
The Metro Games in Chronological Order: A Postapocalyptic Masterpiece
Metro 2033 Movie Production Halted - IGN News
Metro 2033 (novel) - Wikipedia
Metro 2033 Redux - Mods and community
Metro 2033 movie announced, premiere set for 2022
Every Video Game Adaptation Currently in Development
Disaster Averted] Metro 2033 film has been cancelled because the scripter wanted to 'Americanize' it --Andy Chalk for PC Gamer : r/KotakuInAction
Metro 2033 movie teaser