Oliver Queen, the former Green Arrow, was an ally of the original Batman of Earth 2. Before his death, Batman created the Codex (or Source Vault); a programme that contained the encoded DNA of all of Earth 2's plants, animals, and organisms. This was kept under close guard by the Wonders of the World and, following their deaths, it was left to Oliver to guard it inside a sea fortress designed by Bruce; unfortunately for Oliver, Dinah could not stand living inside with him.
After the death of Connor Hawke, Oliver adopted the identity of Red Arrow and joined the Wonders of the World. He died after the flotilla of Earth 2 survivors crash-landed on their new world.
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