Classic Superman Cartoon Intro Pre WWII (1941)

Faster Than A Speeding Bullet, Stronger than a Locomotive, Able to Jump Tall Buildings In A Single Bound, This Amazing Stranger From The Planet Krypton, The Man Of Steel, Superman!

Empowered With X-ray Vision, Possessing Remarkable Physical Strength, Superman Fights A Never Ending Battle for Truth And Justice, Disguised As A Mild Mannered Newspaper Reporter, Clark Kent.

Special Note:

In the early Superman cartoons, all he ever fought for was Truth and Justice.

The "American Way" seems to have been added later on.