Sabretooth (First Appearance): Making his debut in Iron Fist #14, Sabretooth's early years are shrouded in mystery due to his sociopathic drive to murder those closest to him and years of serving black-ops government programs.

Skrull: The Skrull race is among the most dangerous in the galaxy due to their unpredictable behavior and shape-shifting abilities. Their recent attempt to replace Earth's mightiest heroes backfired and dealt the Empire a crippling blow.