Bell, Wheel and Frog - Justice League of America #147
Crisis in the 30th Century Justice League of America #147 Cover Dated: October 1977 Released: 28th June 1977 So it seems Psycho Pirate isn't important at all, just a reason for the League and Society to get together and have general cross over shenanigans. This follows what must be the briefest explanation of Earth-1 and Earth-2, with just two panels explaining the concept. And as is traditional the two flashes are used to explain the concept. Talking of I'll use the first name to help with duplicate super identities, so we have Scott Lantern and Hal Lantern, Barry Flash and Garrick Flash. Our first appearance of Power Girl is erm worrying, what with her openly flirting with Earth-1 Superman, and that's now me interpreting something more innocent its implicitly called out it the comic itself. And I guess they're not really cousins if a different dimension is involved? Though the supergirl calls out is still a little awkward especially as they mention how more grown-up P