Is this a beginning point for the convergence mini series
Which JLA series are you referring to? The series that is literally titled “JLA” ended nine years before Convergence began.
There’s #31 from the New 52 Justice League series (seen below). That came out in 2014 and is the only 31st issue of a JL book published in the vicinity of Convergence’s debut in 2015.
Brainiac hasc tons of timrlines in. Bottles convergence wad about those same bottles