With the largest April opening in history, THE SCORPION KING, with visual effects by Centropolis FX, topped the box office this weekend. Starring The Rock, this "prequel" to THE MUMMY franchise earned $36.2M in its debut. The weekend's other new release, MURDER BY NUMBERS, debuted in third with a tepid $9.5M while last week's number one film, CHANGING LANES, took second place with $11.2M and $32.8M to date. Disney's THE ROOKIE climbed a notch to fourth place with $6.3M and a four week total of $53.7M, while ICE AGE dropped two spots to land in sixth place with $5.7M and a cume of $159.5M. The thriller PANIC ROOM, with visual effects by ComputerCafe, was in fifth place with $6.2M and $82.2M after four weeks. Box office information obtained from yahoo.com.