Title: Secret invasion
Description: After years of planting shape-shifting Skrull imposters in strategic positions all over Earth for years, the Skrull invasion begins for real and Earth's superheroes are forced to fight the invasion without knowing who, even among their own teammates, is an imposter.
Subjects: Space warfare, Comic books, strips, Superheroes, Good and evil, Comics & graphic novels, fantasy, Comics & graphic novels, superheroes, Avengers (Fictitious characters), X-Men (Fictitious characters), Avengers (Personnages fictifs), Bandes dessinées, X-Men (Personnages fictifs), Superhjältar