Barry must face down Grodd-controlled members of his family in The Flash #43, which brings back some of our speedster's best qualities.
The first Flash Annual of the post-Rebirth era plants the seeds for Flash War, first by peeking into Wally West's life since his return and by exploring the tension between him and Barry.
The Flash #35 reveals Meena's motivations for her heel-face-turn, and reintroduces the idea of a Barry and Wally team-up.
The Flash #31 concludes Bloodwork and sets up the next arc of the series, which takes place at Iron Heights. It also happily brings the Wests back in.
Barry Allen takes a turn for the worse in Flash #41, all according to Grodd's plan, while both Wallys take pains to fix what their mentor can't.
The Flash #38 is all about second chances, and it succeeds in showing that with Barry Allen and August Heart's story while still having fun with the Rogues.
The Flash #32 re-introduces us to Iron Heights and sets the scene for Barry Allen's future dealings there while igniting plot points that will go off later.
The Flash #40 dives deep into Barry Allen's fears and insecurities, making the most of Gorilla Grodd as a villain and paving the way for the eventual Flash War arc.
The Flash #37 intertwines Barry's work life with his superhero life, creating a mystery he must solve as both CSI Allen and the Flash.
After the Metal crossover event ends, Barry and Wally will be left picking up the pieces in Flash War. The story runs from Annual #1 to The Flash #46.