(W/A) Various (CA) Andy Kubert. The shattering of Captain America's seemingly indestructible shield has caused a harmonic "Vibranium cancer" wave* which threatens to destroy every piece of the miracle metal remaining on Earth! But as Cap races to contain the unseen threat* the villainous Klaw prepares to capitalize on it. It will take a miracle to defeat the master of sound* but a miracle just might be what Captain America gets! Then* Cap goes undercover in prison* faces down Crossbones and the Absorbing Man* and battles the terrorist threats of Hydra and Flag-Smasher! Plus: a WWII tale featuring Nick Fury and the Howling Commandos* captured by the vampiric Baron Blood! Blockbuster writer Mark Waid wraps up his run here* and it's a doozy! Collecting CAPTAIN AMERICA (1998) #20-24* CAPTAIN AMERICA ANNUAL 1999 and material from CAPTAIN AMERICA: THE LEGEND.