The $1.59 billion global hit is Nolan’s highest-grossing film to date
Smaller, affordable multiplexes will help the chain tap 300 underserved cities
Endgame directors hail record opening as Spider Man heads to IMAX from 7 August
Premium formats fuel surge as advance bookings gather pace before 30 July debut
Christopher Nolan epic fuels record openings and boosts IMAX earnings growth
