This issue is exciting and yet something of a disappointment at the same time. The action is well played out and some hints are dropped about Cisco's eventually taking up the role of a hero himself (You know which one!). But it's a bit of a downer that - unlike the comics - King Shark was once a human cancer patient undergoing radical treatment at the time of the Particle Accelerator Explosion rather than a shark who evolved into a semi-intelligent being. I guess the writing team would rather not explain why there aren't more of these meta-animals running around if the energy released affected non-humans. But c'mon - it's not like evolved sharks are any more implausible than dark matter interacting with a drug made of Shark DNA to create a wereshark!
I've commented before that Phil Hester wouldn't be my first choice of artist for a Flash comic but his work here is quite effective, catering as it does to his talents for horror. There's none of the forced poses or odd angles that marred previous issues. Even Eric Gapstur's inks don't seem to be as randomly applied this time around.