The Legofication of DC's superheroes has worked pretty well so far. There's a lot you can get away with in this style, including Batman and Superman bantering in space.
They don't need to show us the gameplay because we can guess pretty much what we'll be getting.
Luckily, there's a basic level of quality we can expect from these Lego games. It will at least be essentially playable with a lot of fun cut scenes and humorous quirks.