Avengers: Doomsday will likely mark the Marvel Cinematic Universe reunion of Thor and Loki, but the film could end tragically for the brothers, as both of them could die when all is said and done.

The behind the scenes featurette provides a first look at one of those contingents: the Norse gods Thor (Laurence O’Fuarain), Loki (Freddie Fox) and Odin (Clive Russell), who attend what executive ...