The Flash #35 reveals Meena's motivations for her heel-face-turn, and reintroduces the idea of a Barry and Wally team-up.
Negative Flash takes center stage in The Flash #28, as Barry tries to get control of his new powers. But a mysterious villain would rather he didn't.
The Flash #30 introduces us to a new villain named Bloodwork, providing him with an interesting backstory and a tenuous connection to Barry.
The Flash #27 is an emotional roller coaster ride that concludes the "Running Scared" arc with a heart-stopping battle and a heart-wrenching conversation.
The Flash #29 is a slow and steady climb towards a new Big Bad that we have yet to meet, and an in-depth look at new powers Barry has yet to understand.