'City Fall' has been hugely impressive and now it's time to get stoked for the next issue. Part 3 was the debut of Dark Leo and now it's time to see him take action as Shredder's second-in-command. Meanwhile, the uneasy alliance between the Turtles and Old Hob/Slash continues (well, uneasy for everyone except for Michelangelo, that is). Check out the solicitation and then enjoy an exclusive preview of Wednesday's issue below!

TEENAGE MUTANT NINJA TURTLES #25