Astro Boy 2

Astroboy 2 is a proposed sequel to the 2009 film Astroboy.

Plot
Uran, Cobalt, and Baby Chi-Tan were supposed to appear in this sequel.

Why It Was Cancelled

 * 1) The first film received mixed reviews.
 * 2) Imagi Studios filed for bankruptcy.

Result

 * The sequel was cancelled.
 * The first Astroboy film is standalone.
 * New Line Cinema announced a live action Astroboy film.