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Threat Classification System

  • Delta: A threat to individual life and/or property, a Delta-class threat should be taken seriously, but does not represent an existential threat to S.H.I.E.L.D. or the organized bodies under its protection. Delta-class threats typically fall into one of three categories: criminals with superhuman abilities but clear moral codes, competent enemy operatives with baseline-human capabilities, or activists who largely obey the law but act against S.H.I.E.L.D. due to an unfortunate mistrust of our broad operational authorization. (Note: Gamma-class has been renamed Delta-class out of deference to particular high-value recruits.)
  • Beta: A potential threat to multiple lives and widespread property, albeit mitigated by other circumstances. Beta-class threats possess either considerable power or widespread influence, and are capable of destabilizing mega-corporations, nations, or S.H.I.E.L.D. However, they are not likely to endanger the world’s safety or liberty as a whole as discrete units.
  • Alpha: Existential threats to S.H.I.E.L.D. and either human liberty or existence, Alpha-class threats are either leaders of dangerous organizations, supreme operatives of Ultimate-level threats, or individuals with a combination of power and skill that threatens the entire world. They can be considered a challenge to S.H.I.E.L.D. as an organization. In the absence of an Ultimate-class threat, an active Alpha-class threat becomes S.H.I.E.L.D.’s immediate top priority.
  • Ultimate: Global existential threats that equal or exceed the agency’s capabilities. An Ultimate-class threat rivals S.H.I.E.L.D. in scope and power, though not necessarily through the same mechanisms by which S.H.I.E.L.D. operates. The Avengers Initiative was created to deal with Ultimate-class threats as they become more common throughout and beyond the world.