Ultra Street Fighter 4 May 2026

The S.I.N. corporation, the weapons division of Shadaloo, organizes a new world fighting tournament.

The game's story is set several months after the events of Street Fighter II . Ultra Street Fighter 4

S.I.N.'s primary goal is to lure Ryu into the tournament to analyze the Satsui no Hado , which they believe is the final data point needed to perfect their project. Character Journeys The S.I.N. corporation

A specific encounter with a cinematic intro unique to that character pair (e.g., Ryu vs. Ken or Sagat vs. Ryu ). the weapons division of Shadaloo

While the overarching plot revolves around S.I.N., each character has personal motivations for entering: