No, but Nintendo Wi-Fi Connection was shut down in 2014. You can play via private servers like Wiimmfi using a patched ISO.
Here is the step-by-step guide to maximizing quality while minimizing storage: This free tool can take a raw ISO and convert it to .wbfs format. Step 2: Add Your ISO Drag your 4.37 GB MW3 ISO into the program. Step 3: Convert to WBFS (Highly Compressed) Select "Transfer -> ISO to WBFS." The program will strip out dummy data (placeholders used to push data to the outer edge of the disc for faster loading). No, but Nintendo Wi-Fi Connection was shut down in 2014
Happy gaming, and watch out for those Juggernauts! and watch out for those Juggernauts!