520 – Superman in the Sun

A panel from Worlds' Finest #61, Sept 1952
A panel from Worlds’ Finest #61, Sept 1952

In “Superman’s Blackout!”, a story in World’s Finest #61 (Sept 1952), a kryptonite meteor affects Earth’s sun, causing it to rob Superman of all his powers when exposed to direct sunlight. This eventually fades, but not before Superman has to cleverly use his powers to foil some bad guys and pull the wool over Lois Lane’s eyes.

This is still long before it was ret-conned that Superman’s powers are derived because of Earth’s yellow sun.