Earlier this spring, the team behind “Ray Gunn,” Brad Bird’s original Netflix animated film that’s set in a sprawling alternate history 1930s where jet packs, flying cars and, yes, ray guns, are everyday objects, saw an opportunity.

Earlier this spring, the team behind “Ray Gunn,” Brad Bird’s original Netflix animated film that’s set in a sprawling alternate history 1930s where jet packs, flying cars and, yes, ray guns, are everyday objects, saw an opportunity.