What an outlandish contraption, Kryptonian! Have you dignified it with a name--? 
- — Amazo
Action Comics #481 is an issue of the series Action Comics (Volume 1) with a cover date of March, 1978.
Synopsis for "It's A Bird... It's a Plane... It's Supermobile!"
Superman uses the Supermobile, a flying machine which can simulate his powers, to battle Amazo and to protect him from the power-sapping radiation. Amazo threatens to kill his friends at the Daily Planet if he does not turn over Professor Ivo.
Appearing in "It's A Bird... It's a Plane... It's Supermobile!"
Featured Characters:
- Superman (Flashback and main story)
Supporting Characters:
Antagonists:
- Amazo (Flashback and main story)
Other Characters:
- Professor Ivo
- Justice League of America
- A Titanian flying snake
Locations:
- Earth
- Interdimensional Limbo
- JLA Satellite (Flashback and main story)
Items:
- Amazo's fake Green Lantern Power Ring
- Amazo's fake Lasso of Truth
- Red solar radiation
- Supermanium
Vehicles:
- Supermobile (First appearance)