Atlantis II: Shards of Chaos

Atlantis II: Shards of Chaos was the original proposed direct-to-video sequel to 2001's Atlantis: The Lost Empire.

Plot
The plot is currently unknown.

Why It Was Cancelled

 * 1) Atlantis: The Lost Empire failed in the box office, due to competing against Shrek.
 * 2) A different title was decided instead.

Result

 * Shards of Chaos was permanently cancelled and became Milo's Return.