I thought it was such a unique concept to play parents who happen to be super heroes and have a son who is going through puberty and starting high school. ↗
To have one's own story told by a third party who doesn't know that the character in question is himself the hero of the story being told, that's a technical refinement. ↗
What makes Superman a hero is not that he has power, but that he has the wisdom and the maturity to use the power wisely. From an acting point of view, that's how I approached the part. ↗