Context is Superman (1939) #300, page 7
Transcript:
Scientist #1: Great Scott! The hatch is opening–
Scientist #1: --and a baby is coming out!
Scientist #2: Look! He’s as invulnerable to the laser as is his rocket!
Kal-El: I am hungry!
Context is Superman (1939) #300, page 7
Transcript:
Scientist #1: Great Scott! The hatch is opening–
Scientist #1: --and a baby is coming out!
Scientist #2: Look! He’s as invulnerable to the laser as is his rocket!
Kal-El: I am hungry!
The date after the series title indicates when the series started, not the publication date of the actual panel. It’s there to clarify that it’s in the 300th issue of the original run, not the current one, or any of the ones that came between.