It's Autobot vs. Dinobot in new Transformers: Age of Extinction trailer

The new trailer for Transformers: Age of Extinction is here, and we defy any fan of the series to walk away disappointed.

The two-and-a-half-minute montage follows a Super Bowl spot, a short teaser and a batch of images, giving us our most complete look yet at director Michael Bay's fourth film in the franchise.

It stars Mark Wahlberg as a family man who is preparing to strip a truck he's found for parts to sell, only to discover that it's not exactly a truck. But the difference from previous films is that this seemingly wounded Transformer is a straggler in a world where they are no longer needed or welcomed.

Once the main action starts -- much of it involving Optimus Prime and the long-awaited Dinobots -- the world appears to need the help of its giant robotic friends in a hurry. Bay stages the destruction in typically massive, screen-filling fashion that won't leave diehard fans feeling shortchanged.

Here's hoping that the story -- always the weak link in these movies -- has been given more care this time around, as well, for the rest of us.

Our sharp-eyed friends at Slashfilm also noticed a billboard featuring a phone number in the early part of the trailer. Call that number and you are directed to and a pretty cool viral poster (see below).

Transformers: Age of Extinction stars Wahlberg, Jack Reynor, Nicola Peltz, Stanley Tucci, Kelsey Grammer, Sophia Myles, Li Bingbing and T.J. Miller, with Shia LaBoeuf nowhere in sight. It opens on June 27.

Watch the trailer and tell us if you think this is the start of a new era for the franchise or whether extinction is the only option for this seven-year-old film series.

Transformers 4 Viral Poster

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