Red Winter is a villainous terrorist group from the Champions Online franchise. Entirely comprised of superhuman agents from the former Soviet Union, they do not accept the fall of their "glorious motherland" and have become the antagonists of both Nemesis missions as well as the main antagonists of an Alert scenario known simply as Nuclear Winter.

In the Alert scenario, Red Winter attempt what is by far their most serious and villainous act yet when they attempt to launch several nuclear warheads from a secret base with the aim of destroying the United States and returning the "glorious motherland" to power - meaning heroes end up in a frantic battle that is timed, should they fail Red Winter succeed in launching the missiles and presumably widescale destruction follows: however should the heroes succeed the terror-group are defeated and taken away by authorities, presumably to a superhuman jail.