Teenage Mutant Ninja Turtles: Saturday Morning Adventures — IDW Publishing
Issue: #4
During an excursion above the sewers, Splinter is injected with a miniaturized device designed by Baxter Stockman. As his sensei grows weaker, Donatello investigates and discovers Splinter is being attacked from the inside by microscopic mousers! Initial attempts to combat this infection fail, so Donatello makes the only rational decision: to shrink himself and the other Turtles down and fight the...
Creators: Erik Burnham, Tim Patrick Lattie, Sarah Myer, Charles Beacham, Nathan Widick, Nicolas Niño
Characters: Raphael, Master Splinter, Donatello, Michelangelo, Leonardo, April O'Neil