Oscar nominee Benedict Cumberbatch reprises his superhero role in "Doctor Strange in the Multiverse of Madness", in the hotly-anticipated sequel which has fans guessing which Marvel characters might make surprise appearances.

The movie, which begins its global cinema rollout on May 4, sees Cumberbatch's Doctor Stephen Strange travelling into the multiverse, allowing for different versions of himself.

About a fifth of reptile species - from the Galapagos tortoises to the Komodo dragon of the Indonesian islands, from West Africa's rhinoceros viper to India's gharial - are threatened with extinction, researchers said on Wednesday in the first comprehensive global status assessment for reptiles.

Tom Cruise is preparing to walk the red carpet at Cannes, tickets for Marvel's next film are selling fast, and a new dinosaur adventure looms large on the summer movie schedule.

That gives movie theater operators hope that their business is finally heading toward normal as they meet with Hollywood studios this week in Las Vegas at the annual CinemaCon convention.