In fact, there’s already an example of this in the DCU. Batman appearing in Creature Commandos is exactly this. They don’t know who is playing Batman yet, nor what the specific story of his film will be, but they know they are going to make a Batman film. Batman is out there. So that’s why that got a tease.

Outside of Superman, Gunn's upcoming DC movies and shows have shifted around a bit too, with some being postponed like Waller and The Authority. Others already have filming underway, including Supergirl and the Lanterns TV show. For more, check out our guide to upcoming superhero movies.