Answers, and more dinos, might be forthcoming in the second part of “Escape From Dinosaur Island” in “Superman” #9.
"RETURN TO DINOSAUR ISLAND" part one! Father and Superson work on a science assignment with bizarre consequences that transports the pair along with Krypto to Dinosaur Island! Now, amid relics of World War II, Superman tries to keep Jon from the jaws of prehistoric predators! Worse, Kal-El can't find a way to fly off the Island.
This isn't the first kaiju like creature in DC Comic's new Rebirth Universe like this one here.
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