Justice Society Of America (JSA) Returns In Justice League #30, But Not As DC Comics Teased! Spoilers!
So, this is how writer Scott Snyder teased Justice Society of America Rebirth before Justice League #30 hit stands.
However, here is the how the JSA formally makes their debut.
I imagine that if Scott Snyder’s reveal isn’t a version of the debut that doesn’t happen, the team rollcall happens in next week’s Justice League #31.