Secret Invasion/Secret War

OU RP with loosely defined history. Organizations and dates, no character names.
Plot inspired by Secret Invasion, YJ Invasion and JL Pilot.

Hidden factions include the Skrulls and the Martians, possibly the Reach. People being replaced by aliens, all while the above factions fight to control Earth.
Rising crime, international turmoil and other struggles a direct causality of the 'Secret War'

-WWI
-The Defenders?
-WWII
-Justice Society founded in the wake of World War II
-The SSR offers the JSA an ultimatum of join, and become government superheroes or forcible retire, resistance meant unmasking and/or jail time.