Secret Warriors is an alias for the fictional group Team White created by Nick Fury, a team of superpowered agents appearing in American comic books published by Marvel Comics. The name "secret warriors" also refers to the members of other hidden groups in the comics series Secret Warriors and its related titles. Team White was the main team led by Nick Fury from 2009 to 2011. First appearance was in "The Mighty Avengers" #13.

"Secret Invasion" is a comic book crossover storyline written by Brian Michael Bendis and illustrated by Leinil Francis Yu, that ran through a self-titled eight-issue limited series and several tie-in books published by Marvel Comics from April through December 2008. The story involves a subversive, long-term invasion of Earth by the Skrulls, a group of alien shapeshifters who have secretly replaced many superheroes in the Marvel Universe with impostors over a period of years, prior to the overt invasion. Marvel's promotional tagline for the event was "Who do you trust?".