The James Gunn-helmed Phase 1 of the DC Cinematic Universe is upon us, beginning with Gunn’s upcoming Superman film — and as it turns out, the filmmaker and studio head considers the project to be absolutely crucial to making the Gods and Monsters phase work as an overall storytelling experience.

The writer/director of this summer's "Superman" and the co-head of DC Studios offers a peek behind the curtain.

Opinion is sharply divided as to how high the superhero pic can fly when it hits theaters, with some suggesting a much lower range of $90 million to $120 million.