Archer & Armstrong are going to war with Bloodshot and H.A.R.D Corps! (GULP!) That's right, Valiant's globe-trotting adventure duo have been targeted for elimination by Project Rising Spirit's most elite kill crew. Their mission? Assassinate the the newly appointed leader of a homegrown fundamentalist terror sect named... Obadiah Archer?! And if they could take out his mentally ill, alcoholic bodyguard who just happens to think he's a 10,000-year-old immortal, that'd be swell, too! It's an improbable mission with impossible odds. Do Bloodshot and the steely killers of the H.A.R.D. Corps stand a chance against two conspiracy-smashing heroes that never go down without a fight? Find out right here with the complete collection of the mayhem-soaked "Mission: Improbable" crossover, collecting Archer & Armstrong: Archer #0, Archer & Armstrong #18-19, and Bloodshot and H.A.R.D Corps #20-21 by acclaimed writers Fred Van Lente, Joshua Dysart, and Christos Gage, and all-star artists Pere Perez and Tom Raney.