"A Story 30 Years in the Making": DC Teases "Major Event" that Will Change the DCU Forever 

screenrant.com -BY JUSTIN EPPS -DC Comics reveals what it has planned for this year’s Free Comic Book Day and its top-secret info hints that a huge storyline is being revisited.
Keywords: 30 years in the making, dc tease, major event, change the dcu, forever, dc comics