"Museum Piece!" Cameos by the Avengers and the Sub-Mariner. Story by Mark Waid. Art by Ron Garney and Bob Wiacek. Cap lost his shield to the murky depths of the Atlantic Ocean (see last issue). Not even Prince Namor is able to locate it. How can the Sentinel of Liberty hope to defeat a cadre of deadly Hydra agents without his trusted weapon of justice at his side?