This story was first printed in Justice League Giant #5 and #6, which were published as part of a series sold exclusively at Walmart stores in the United States. The series formed part of a larger partnership with DC Comics which was launched in July 2018.
Synopsis - Part Three
Searching for Steve on the mysterious island, Diana and Etta encounter a giant talking Jaguar who tells them that he had found the wreckage of Steve’s plane but no sign of him or the other pilots.
As they continue their search they are attacked by a race of Neanderthals, and after the battle they are able to free the prisoner of the Neanderthals, Jonah Hex, who agrees to help them.
Synopsis - Part Four
As Jonah Hex helps Wonder Woman and Etta search for Steve Trevor and his fellow pilots on the mysterious island, they are attacked by robots who are protecting an alien princess who has lost her memory. She is living in what appears to be a control centre with monitor screens showing every part of the island.
Wonder Woman sees Steve and the other two pilots around a campfire. But her relief that he is still alive turns to concern when she spies large insect creatures advancing unseen upon their encampment and she races off to save them.