Superman’s origin story might have been a contained story free of crossovers, but it turns out that Snyder was already doing set up for other characters, including the villainous Doomsday.
Filmmaker Zack Snyder kickstarted the property up with Man of Steel, before further expanding it with Batman v Superman and Justice League.
Luckily, Snyder recently explained some of the easter eggs he added on the down low.
The DC Extended Universe has had a fascinating tenure in theaters, full of peaks and valleys.