(W) Geoff Johns (A/CA) Gary Frank. THE MARCH TO TRINITY WAR CONTINUES! This is it! Shazam's origin story concludes in a extrasized extravaganza! As Black Adam threatens to gain control of all magic* Billy Batson learns that in order to stop him* he'll need help from the unlikeliest of people. But what greater role awaits Shazam in the larger DC universe? And what does the Justice League have to do with it?