Full Flash, Arrow, Supergirl and Legends trailer is the Justice League you always wanted

With the massive, week-long CW crossover kicking off next week, the network has finally dropped a trailer for “Heroes v Aliens.” Spoiler alert: It is glorious.

The four-show crossover event spans Flash, Arrow, Supergirl and Legends of Tomorrow and finds DC’s small-screen heroes facing off with a race of aliens called the Dominators. The full trailer shows off a ton of fresh footage, including a lot of aliens, action and geek-out moments as all these disparate heroes actually share the screen. Bringing Supergirl into the fold looks to be a fascinating element, and adding her to the ensemble of the Arrow-verse is long overdue.

The set pieces and stakes look huge, and as Warner Bros. and DC continue to flounder creatively on the big screen, it’s mind-boggling just how good the small-screen universe is doing these days. This looks like a tentpole movie unto itself.

The four-show crossover kicks off Monday night on The CW with Supergirl.

Check out the trailer below and let us know what you think:

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