UPDATED with trailer: Avengers 2 trailer leaks online -- This is what you missed

We were promised a trailer next week for Avengers 2: Age of Ultron during last night’s Agents of S.H.I.E.L.D. and guess what, we got it sooner -- for the briefest of moments. And you best bet your Aunt Petunia's flowers it was good.

In what almost looked like it was a spam link as we started seeing it populate our social media feed this evening, the trailer was indeed living on the The Film Stage site before being taken down – and exploding the Twittersphere in the meanwhile.

In fact, even Marvel had to weigh in on its Twitter feed:

The trailer included some of the footage that lucky Hall H attendees saw at last July's San Diego Comic-Con, along with a whole lot of new stuff. 

Ultron, voiced by James Spader, provides a menacing, slightly metallic voice throughout the trailer: 

“I'm going to show you something beautiful ... everyone screaming for mercy ... you want to protect the world but you don't want it to change ... you're all puppets tangled in strings ... strings ... but now I'm free ... there are no strings on me”

Moody, solitary piano keys play, which gives way to a creepy kid rendition of "I've Got No Strings" from Pinocchio (way to make use of the parent company library, Marvel!):

We see a city in the distance at sunset, then inside its borders are terrified citizens. In another cut is a crowd, seemingly protesting. A robotic hand emerges from a molten liquid and flexes, then more screaming people. We encounter our heroes; Captain America walks in slow motion into wreckage, an alert Hawkeye spins around and a backlit Thor stands in front of a smashed cityscape. 

And here's Ultron, mangled but shambling into Avengers Tower, where the heroes -- in plain clothes -- stand to meet him for the first time. The next face we see close-up is Robert Downey, Jr. He looks pretty concerned as the bot-who-will-be-Ultron picks up a Stark drone and crushes his head. 

The message here is pretty clear: Things get real bad real fast in this flick. There is no shortage of destroyed cities, terrorized citizens and authorities fighting something off camera. Every hero we see early on in the trailer shows them walking slowly, looking forlorn and beat down. Poor Bruce Banner is crouched and shuddering, clearly terrified … then stumbling through the snow, presumably post Hulk-out. A hospital bed wheels down a hall, and there’s a close-up of surgical equipment. 

Ultron, Quiksilver and Scarlet Witch appear to exchange a moment in some sort of factory before the evil droid’s armies swarm a mountain (the same one with the castle, which Iron Man looked up at earlier and Cap stormed into?). The heroes, inside an old structure, appear shocked enough to make Thor drop Mjolnir. Tony Stark says, “It's the end of the path I started us on,” to which Black Widow replies, “Nothing lasts forever.” Yeah, so this is seeming like Stark's fault.

Oh hey, there’s Nick Fury, briefly. But who is that bearded dude with the funky haircut looking really angry/nervous? 

Cue a really pissed off Scarlet Witch among some wreckage. We don't know a lot of about the Maximoff kids but they pop up a lot in this trailer. And here's the moment fans have been excited about for a while (especially since Marvel promised it in concept art in its TV special): Stark’s Hulkbuster armor facing down against the angry green giant. A series of action cuts show Widow dropping out of a Quinjet on a motorcycle, hitting the ground running riding. Lots of angry hero faces and Cap on another cycle follows.

While there’s a brief moment of tenderness between Hulk and Widow, things seem not so nice when Thor lifts Stark by the throat and Hulk throws a car at the Hulkbuster -- then punches through that car.

And … more destruction, along with Cap’s broken shield. At last, we see a nice close up of the cleaned-up super nasty Ultron. 

Then title logo. 

What is particularly interesting is not what who see – although no Vision – but the UK release date of April. That’s right, not the US date of May 1.

Was this the trailer that will be revealed after next week’s S.H.I.E.L.D.? We will have to wait and see, but this was certainly pretty official looking and chockfull of new footage. 

Did you see the Avengers 2 trailer before it was pulled? What did you think about it?

UPDATE: Marvel has pulled the trigger and officially released the trailer on its YouTube page, now with the corrected May release date. Check it out and let us know what we missed in our initial write-up.

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