directed some episodes of the second season of Supergirl
(2015), the first titled "Supergirl Lives" as a reference to the film. Smith joked he expected Supergirl to fight a giant spider as in the infamous battle scene proposed for this film. See more
Highly creative people have a hard time getting their movies made. Full stop. That's all it is. Because they bring stuff that blows everyone away, and as much as the claim is they want something original, they're terrified of it. That's what happens. So, you don't see those movies because they scare everybody up the chain of command.