David Harbour has blown Tony Stark’s cover in Avengers: Doomsday. It might just be what Marvel needs

The actor, who plays Red Guardian in the film, made a cryptic comment to Variety that raised more Robert Downey Jr-shaped questions than answers. But was it a clanger, or expert trolling? Nobody knows exactly what solemn blood oaths Marvel uses to prevent spoilers. But we do know that Andrew Garfield spent most of the run-up to 2021’s Spider-Man: No Way Home – in which he would eventually turn up…