EW have been talking to Marc Guggenheim, and he explained that a character will be returning to the show for the season finale. In their article, EW have revealed who it will be…
“There’s going to be a big character returning for the finale that we haven’t announced yet,” Guggenheim says. EW can reveal that character is The Flash (Grant Gustin)—but even with the scarlet speedster on the case, Guggenheim cautions that fans should be very worried about their favorite heroes.
Yes, Barry Allen is speeding his way back to Arrow for the season finale! Is he going to help Team Arrow prevent Al Sah-Him from unleashing the Alpha-Omega on Starling City?
You can read the full interview with EW here.
Arrow Fans UK 