Warning: Includes SPOILERS for 'Spider-Man: Brand New Day'! Spider-Man: Brand New Day is a reminder that Spider-Man is still Marvel’s golden boy. Sony PicturesThe post-credits scene in Spider-Man: Brand New Day appears simple, featuring no human actors. This isn’t clear from the scene, but you can bet on Tom Holland not appearing in Avengers: Doomsday, given his absence from the official cast list. Over the past few months, rumors have persisted that Spider-Man will appear in Avengers: Doomsday… just not Tom Holland’s Spider-Man.