Blade is back in a bad way and that can only mean one vampires are afoot! As the Avengers get deeper into black ops, there's no telling who'll be thirsting for blood and who'll be next on the menu!

Now that the mysterious Vampire X has unleashed his vampire goons, they're out for the Avengers' blood. But with the new Daredevil sporting fangs, it looks like even heroes are susceptible to the vampire bite.

Vampire X has gotten his fangs into Captain America! Will Blade be able to help the Avengers hunt creatures of the night? Or are the heroes being prepped for a vampire main course?

With Cap bitten, the super-soldier is turning into a super-vampire. Blade finally reveals Vampire X's true intentions, but can the heroes stop this mysterious enemy—or are they one bite closer to an eternity of immortal behavior?

With Cap fanged out, Fury brings out the big guns and some new recruits-newish, that is: Perun aka, Russian Thor and the Giant Men. While Blade's ordered to stand down, the new vampire Nerd Hulk has powered up.

The Vampires have taken over the Triskelion! With The Avengers on the ropes and the bloodsuckers growing stronger by the second, is there any hope for our heroes? It's Avenger versus Avenger in this blood soaked, blockbuster conclusion!

Vampires are afoot! Somebody is leaving behind a bloody trail of bite marks and Blade's stake-ready to take them on. Could the figure in an iron suit be involved? And what about the new figure leaping around in a devil costume? By superstar creators Mark Millar (Civil War) and Steve Dillon (PunisherMAX)! Collecting: Ultimate Comics Avengers 3 1-6