• Stephen Amell stars in The CW superhero series 'Arrow.'

Stephen Amell stars in The CW superhero series 'Arrow.' (Photo : YouTube/Television Promos)

The latest details and spoilers for "Arrow" season 5 will feature new information on the 100th episode and two characters debuting in episode 7.

"Arrow" star Stephen Amell revealed new details regarding the shows 100th episode in season 4 as he told Comicbook that the episode will start in a very appropriate way were in Oliver Queen/Green Arrow is running. Unlike the previous seasons were in audiences sees him running, they have not seen Oliver run in season 5.

Like Us on Facebook

The 100th episode of "Arrow" is coincided with the four-night crossover with "The Flash", "Supergirl" and "Legends of Tomorrow" as the super powered metahumans heroes and vigilantes must unite against an alien force known as the Dominators. Their goal is capture any super powered being and exploits there abilities to create a powerful army.

There are also returning characters from "Arrow" that have not been seen in the show quite sometime such as Oliver's parents Robert and Moira Queen (Jamey Sheridan and Susanna Thompson), Laurel Lance/Black Canary (Katie Cassidy) and Slade Wilson/Deathstroke (Manu Bennett).

While comic book fans speculate if these reunions occur by time travel, alternate Earth, or dream sequence, Amell would only add that Oliver’s family, friends, and enemies would arrive in a very "unexpected spot" at a very "retrospectively expected time".

In other news, the synopsis for episode 7 of "Arrow" season 5 will feature the debuts of District Attorney Adrian Chase's (Josh Segarra) alter-ego Vigilante and the Russian warlord Konstantin Kovar (Doplh Lundgren).

The title of the epside is called "Vigilante" and it deals with Team Arrow fighting a new viglante in Star City, however, his methods are too extreme. Oliver's team debate upon stopping or supporting the new vigilante's cause in protecting the city. Meanwhile, Oliver will meet the notorious Konstantin Kovar during his flashbacks, ComicBookMovie reported.

The shows next episode will feature Christopher Chance, the "Human Target" as Oliver seeks his help to rescue one his teammates, Rene Ramirez/Wild Dog (Rick Gonzalez) from Tobias Church (Chad L. Coleman). Chance will be played by "Jessica Jones" star Wil Traval.

"Arrow" season 5 returns on Wednesday 8pm on the CW Network.