Captain Marvel Vs Shazam - Who's More Powerful? - YouTube
Shazam!' Had a Stealthy 'Captain Marvel' Reference
DC and Marvel both have a Captain Marvel, what's the story there? What big differences are there between Superman and Shazam? | Ask the DC Multiverse Historian
Shazam! History: Why Was Shazam Called Captain Marvel? - Thrillist
Shazam Is Back. Wait, Who Is He Again? - The New York Times
Captain Marvel vs SHAZAM (Captain Marvel) PLEASE STOP - YouTube
A Brief History of 'Shazam!,' the Original Captain Marvel - The Ringer
Captain Marvel vs. Captain Marvel: The Strange Tale of Two Dueling Superheroes | Vanity Fair