The m-i-cv1_211009_3052.zip file you have requested: Maps Levels Missions / MIC Military Industrial Complex - 35.17mb is not available. Perhaps try browsing all files for the game Left 4 Dead and upload any files you want to share or are missing. This is the only information we could locate:
You start out in a shipping dock and work your way deep into the fabled Safe Zone only to find Zombies have already breached the perimeter. One level has you traveling on a train while being attacked from all sides. Lots of Explosions and Eye Candy.