Watch Iron Man and Hulk in a clip from the Marvel doc Assembling a Universe

ABC's released a clip from the Marvel TV special Assembling a Universe. As you might suspect, it highlights the ever-connected characters of the MCU. It takes us back to the beginning, starting with Iron Man and Hulk, and explains how they kickstarted what would become one of the biggest films of all time, The Avengers.

In the following video, you'll hear from executives, artists and journalists who've tracked Marvel's rise to the top. Their success didn't happen overnight, so it's great to get some insight into their humble beginnings.

Marvel's first television special documents the exciting story behind Marvel Studios and the Marvel Cinematic Universe, featuring exclusive interviews and behind-the-scenes footage from all of the Marvel films, the Marvel One-Shots and Marvel's Agents of S.H.I.E.L.D. Viewers will walk a clear path through this amazing and nuanced universe, featuring sneak peeks at the future of Marvel's Agents of S.H.I.E.L.D. on ABC, new footage from Marvel Studios' upcoming theatrical releases, Captain America: The Winter Solider and Guardians of The Galaxy, and a sneak peek at the upcoming Marvel's The Avengers: Age of Ultron.

Check out the promo clip below:

Marvel's Assembling a Universe airs Tuesday, March 18, at 8 p.m. on ABC.

(via CBM)

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