"Jesus Christ, it's Jason Bourne."

"Why would he come back now?"

Good question. The official trailer for "Jason Bourne" attempts to offer some answers on that, with Matt Damon's alter ego regaining his memories just in time to get caught up in our modern world of hacking and spying. Also, he heads to Vegas, so maybe he remembered that he was pretty good in "Ocean's Eleven."

The trailer includes images from the past three Jason Bourne films, with the trained assassin saying he knows who he is now, he remembers everything. But as his old friend/colleague/former lover Nicky Parsons reminds him, "Remembering everything doesn't mean you know everything." He responds, "Tell me." It sounds like this is kind of a soul-searching movie, with Bourne saying, "I volunteered because of a lie," and wanting to come in to talk.

"Jason Bourne" is meant to pick up 12 years after his disappearance in "The Bourne Ultimatum," which came out in 2007 but was set in 2004. "We find him in a dark and tortured place," the actor told Entertainment Weekly of Bourne, adding that the world around him will look very familiar to modern audiences. "There's been the financial collapse, the great recession, all these issues of cyberwarfare and civil liberties."

Tommy Lee Jones and Alicia Vikander play new CIA officers who watch (and try to kill?) Bourne. "He's seen things," Vikander tells Jones at one pont. "He knows things. What if he's not coming for us? What if it's something else?" It usually is. Jones gives Bourne the soft sell, telling him after 32 kills people are safer because of what he did. "You're never gonna find any peace, not until you admit to yourself who you really are."

The first teaser and poster were shared just after the Super Bowl and this official trailer does cover some of the same ground, but with more action and hints to the plot.

Check it out: "Jason Bourne" arrives in theaters July 29.

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