Astro Boy: Movie Adaptation (Astro Boy (Idw))
ISBN: 9781600105173

An origins story of how Astroboy came to be.

A grief-stricken father creates a robot replacement of his child, who was killed in an accident in his lab. No thanks to the power-hungry politician who wants his army of machines to rule the above and underground societies.

Astroboy somehow ends up in the underground society and ends up helping the displaced citizens.