The Flash #21

In "The Button Part Two," Barry Allen digs into the mysterious death of Professor Zoom, uncovering a chilling link between the victim's remains and the enigmatic smiley face button that once appeared in the Batcave. With Batman injured and the timeline unraveling, the two heroes race through time using the Cosmic Treadmill, chasing a trail of radiation that may hold the key to a deeper conspiracy. Written by Joshua Williamson and illustrated by Howard Porter, with colors by Hi-Fi and letters by Steve Wands, this issue features a striking cover by Jason Fabok.