It's a superhero team-up that's been more than three years in the making, and soon, Marvel's "The Defenders" series will finally be hitting Netflix. Now, we have a sneak peek at the titular heroes together for the first time.

In Daredevil (Jessica Jones (Luke Cage (Iron Fist (Finn Jones) -- and debuted an awesome new image of the foursome. Each hero stares down the camera, looking tough and ready to tackle whatever challenge comes his or her way.

As for what it is exactly that makes them decide to join forces in the first place, it's still a bit of a mystery, though Marvel TV head honcho Jeph Loeb explains in an interview with EW that each of the heroes' individual series has been carefully plotted so that their meeting in "The Defenders" is a natural extension of their existing stories. They'll first come face-to-face in a crowded (read: filled with enemies) corridor in the Midland Circle offices, a nod to a plot line from "Daredevil," from which they'll have to fight their way out.

"Every one of them is following their own trail of bread crumbs, trying to unpack a mystery in New York," showrunner Marco Ramirez told EW of the lead-up to the big team-up. "We wanted them all caught off guard. Once they're in that room together, it's kind of like, 'Oh, s—, who are you?'"

Fans will be able to witness that fateful meeting themselves when "The Defenders" hits Netflix sometime this summer.

[via: Entertainment Weekly]