How are Black Adam and Shazam connected and why were films split

Black Adam released its first trailer this week which sparked the attention between Dwayne Johnson's DC character and Shazam.

Dwayne Johnson made the call to separate Black Adam and Shazam

Black Adam (2022) - News - IMDb

Black Adam: Year of the Villain one-shot from DC Comics - exclusive preview

Shazam & Black Adam's Secret Connection Makes Them Literal Family

Are Shazam and Black Adam the same? The difference and similarities explained

Shazam vs. Black Adam Explained: Everything You Need To Know

Captain Marvel (DC Comics) - Wikipedia

Shazam! And Black Adam Were Both Torpedoed By Dwayne Johnson (And His Ego), According To New Report

How Dwayne Johnson Finally Brought Black Adam to the Big Screen

The Rock Dropped a Sneak Peak of BLACK ADAM Movie at SDCC - Nerdist

Black Adam Could Film Next Year

At great cost, 'Black Adam' pulls punches and omits context

5 Ways The Rock's DC Plans Backfired

Who Is BLACK ADAM, DC Comics' Powerful Anti-Hero?

Do Shazam and Black Adam have the same powers because a lot of forms, say Black Adam is stronger? - Quora