Arrow Season 4 Could Feature a Green Lantern Easter Egg

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Arrow Green LanternThe upcoming season of Arrow could feature a cool Green Lantern Easter Egg if a piece of production art becomes a reality.

Arrow’s Marc Guggenheim Tweeted an image of a Coast City billboard that was designed for season 4 of Arrow. Coast City is the home to Hal Jordan, Green Lantern in the comics, and the slogan in the billboard is part of the Green Lantern oath.