The Russo brothers — the directors of the $4 billion 'Avengers' films — could be back to save superhero movies after 'The Marvels' lost $237 million

• Multiple outlets have reported that the Russo brothers are in talks to return to Marvel.
• What's known as superhero movie fatigue has caused a crisis in the film industry.
• The Russo brothers could be exactly what the superhero industry needs to bounce back.

The Russo brothers, the directing duo behind the $4 billion epics "Avengers: Infinity War" and "Avengers: Endgame," may be returning to save Marvel.