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  1. Mass Warfare: First Contact War by

    Fandoms: Mass Effect - All Media Types, Mass Effect Trilogy, Call of Duty (Video Games), The Expanse (TV)  

    12 Jan 2026

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    Summary

    What if Humanity in Mass Effect was more advanced? What if they had gone through two interplanetary wars before finding eezo technology? Mass Effect/ Call of Duty Infinite Warfare Crossover.

    Series
    Language:
    English
    Words:
    4,673
    Chapters:
    2/?
    Kudos:
    15
    Bookmarks:
    9
    Hits:
    303

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