Justice League of America #183

Direct

When the JLA and JSA plan a new twist to their annual meeting, one group from each team enters its transmatter unit to swap Earths, but both groups end up on New Genesis. They discover the entire population of New Genesis has been kidnapped to Apokolips except for Orion, Metron, Mister Miracle, Big Barda, and Oberon. Teaming-up, they all head to the dark world where they find the Injustice Society bringing Darkseid back to life.