The Walking Dead comics recently came to an abrupt end.
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And featured a flashforward into the future.
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Glenn's son is revealed to be a travelling zombie sideshow host.
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And he tried to have Carl punished for killing one of his loose zombies.
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This goes against everything Glenn stood for.
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Glenn was kind and loyal to friends until his death at the hands of Negan.
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But the purpose of Glenn's son is to highlight how the world has moved on.
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