James Gunn's success with Guardians of the Galaxy brought hope for Marvel's Phase 4.
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Fans were excited about a possible Guardians of the Galaxy 4.
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James Gunn stated he will likely end the series after Volume 3.
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However, he previously mentioned "never say never" regarding his return to Marvel.
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The franchise may continue with a different team of characters.
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Marvel's past success makes the future of GOTG open-ended.
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.Loki Season 2 adds to the anticipation of upcoming Marvel projects
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