The Fortress of Solitude has never been this crowded or this dangerous! Our "Superman Collector's Edition" 1,000-piece puzzle from Ravensburger takes you right into the heart of Superman's sanctuary—now under siege by his greatest foes. Crafted with premium quality materials and Ravensburger's interlocking fit, this puzzle makes for an out-of-this-world puzzling experience. Will Superman triumph over Lex Luthor, Darkseid, and the gang, or is this the end of the Last Son of Krypton? Dive in and find out!