The CW has released the first official image for the next The Flash and Arrow crossover episodes, and it's packed with masked vigilantes. There's only three weeks to go until the superhero mash-up episodes hit the air, kicking off with The Flash episode on Tuesday, followed by the Arrow crossover on Wednesday.

Unlike last year's pair of crossover episodes, which stood independent of each other, the new episodes are a two-parter that will see the folks of Starling and Central City teaming up to fend off a major villain. This time you can't just drop in on your favorite show and skip the other, you'll have to watch both for continuity. And they're not just weaving together two shows, but three, setting up the massive-scale spinoff series Legends of Tomorrow, which will feature characters from both shows. Check out the first look image below.

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Image via The CW

Allison recently visited the sets of both shows where Stephen Amell teased the huge scope of the new crossover episodes, saying the roster tallies nine suited superheroes at one point. This picture's got seven: Green Arrow, The Flash, Black Canary, Speedy, Diggle and the newest heroes on the scene, Ciara Renee’s Hawkgirl and Falk Henschel’s Hawkman. While we can’t be sure exactly which heroes will fill out those last two spots, I’d wager it’s going to be a couple more characters from Legends -- most likely White Canary and someone else -- since it seems the crossovers are poised to set up the new mid-season series in a big way.

Click through to catch up on the latest Arrow news and all things The Flash, or check out the links below.

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Image via The CW