Why is there so much hype around ‘Avengers: Endgame?’

Our critics review the highly anticipated “Avengers: Endgame,” which is expected to gross $300 million in the first four days; “Body at Brighton Rock,” a survival horror movie starring Roxanne Benjamin; “JT Leroy,” about a young woman named Savannah Knoop who spent years posing as  author JT LeRoy, a fake persona of her sister-in-law.