Collects Sentry (2005) #1-8. THE GOLDEN GUARDIAN OF GOOD IS BACK! He's the most powerful super hero in the Marvel Universe, a forgotten legend from a time gone by, reawakened and reborn in the world of today. So why is the Sentry his own worst enemy? Featuring the New Avengers, the Hords of Attuma, Terrax the Tamer and more!