Teenage Mutant Ninja Turtles: Urban Legends — IDW Publishing
Issue: #9
When a plague of giant bats leads Leo to Midway City in search of Master Splinter, he finds help from a most unlikely source… the local vigilante known as the Knight Watchman! But will they be able to cure Splinter before it’s too late?!
Creators: Andrew Pepoy, Chris Eliopoulos, Megan Brown, Ihoc, Courtland Brugger, Tomi Varga, Adam Guzowski, Gary Carlson, Kevin Eastman, Frank Fosco, Erik Larsen, Reuben Rude
Characters: Leonardo, Knight Watchman, Master Splinter