According to Firaxis, a normal playthrough of Marvel's Midnight Suns should take roughly 60 hours. Rushed playthroughs that focus purely on the main story can be done in less than 45 hours, but ...

Marvel’s Midnight Suns departs from the tactical combat of XCOM in favor of excellent deck-building and Persona 5-esque social elements, with heroes like Spider-Man, Captain America, Dr. Strange ...