LAS VEGAS, April 10 — Warner Bros offered a glimpse of its eagerly anticipated Joker sequel at CinemaCon yesterday, as the Hollywood studio set out plans to build on the success of last year’s blockbuster Barbie.

Warner’s presentation at the Las Vegas movie summit also featured footage from a long-awaited follow-up to 1980s classic Beetlejuice, plus Robert Pattinson promoting a new sci-fi from Parasite director Bong Joon-ho.