Heroism is Survivor Bias: Observer Selection in the Superhero Multiverse

This paper examines the structural implications of multiversal frameworks in contemporary superhero narratives (primarily DC and Marvel). It formalizes branching outcome spaces in which every admissible decision or event generates divergent timelines, producing an infinite ensemble of parallel universes. Within this model, narrative continuity is shown to be constrained by observability: only timelines that avoid premature termination can propagate records or stories to an external observer. By defining an observability condition over non-terminal state sequences, the analysis demonstrates that all observable hero trajectories are drawn exclusively from the subset of universes in which catastrophic failure does not occur. Consequently, the apparent exceptionalism, survival, and continuous success of central characters emerge not from intrinsic properties of the protagonists, but as a statistical artifact of observer selection within an infinite decision manifold. Heroism, under this lens, is reframed as an expression of survivor bias in which luck and the anthropic filtering of viable timelines play the dominant role. The work blends formal decision-space modeling with narrative theory to explore how multiversal logic reshapes the interpretation of long-form character arcs in popular fiction. While presented with a light tone consistent with its April 1 release, the underlying framework offers a serious lens on contingency, probability, and selection effects in infinite branching structures.