James Gunn Approves Fan-Made Timeline Showing How Clayface And Blue Beetle Fit In The DC Universe
It would seem James Gunn agrees with a social media user who recently shared a comprehensive DCU timeline that takes both Clayface and Blue Beetle into account.
https://www.slashfilm.com/2307459/james-gunn-approve-fan-dc-universe-timeline-clayface-blue-beetle/