I sure hope so, that would completely put my trust into the story of the future halo games. It does a little look promising that he is, being a major part of halo's lore, story characters and past plots in halo games and books.
Can we see a rise once more in team Marty-Joe ?
[spoiler].. one can dream [/spoiler]
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It's rumored that he may be working on the Halo TV show as a writer.