DC Comics' "Green Arrow" #26, available July 5, 2017, is written by Ben Percy and illustrated by Stephen Byrne, with covers by Otto Schmidt and Mike Grell:
"...in 'Hard Traveling Hero', Part One: Unwilling to let another city suffer the same fate as Seattle, 'Green Arrow' kicks off a new quest to hunt down the 'Ninth Circle' across America!
"To stop disaster before it can happen, the (in)famously hot-headed 'Oliver Queen' must mend fences with those he's alienated in the past, starting with 'The Flash'..."
In the "Arrow" Season 5 finale "Lian Yu", written by Wendy Mericle, Marc Guggenheim and directed by Jesse Warn, that aired May 24, 2017 on The CW:
"...'Deathstroke', 'Nyssa Al Ghul', 'Merlyn' and 'Digger Harkness', join with 'Oliver' in the battle against 'Prometheus'.
"The fight between Oliver (Stephen Amell) and 'Adrian Chase' (Josh Segarra) culminates in a final epic battle on 'Lian Yu'.
"After recent events, Oliver decides to recruit a group of unlikely allies - 'Slade' (Manu Bennett), 'Nyssa' (Katrina Law), 'Merlyn' (John Barrowman) and 'Digger Harkness' (Nick. E. Tarabay) - to defeat 'Chase'.
"However, Chase has his own army - 'Black Siren' (Katie Cassidy), 'Evelyn Sharp' (Madison McLaughlin) and 'Talia al Ghul' (Lexa Doig) - and the forces collide in an explosive season finale..."
Click the images to enlarge and Sneak Peek "Arrow: Lian Yu"...