Harrison Ford gets a swashbuckling sendoff in ‘Indiana Jones and the Dial of Destiny’

Harrison Ford in a scene from “Indiana Jones and the Dial of Destiny.”

The magic of Indiana Jones belongs wholly to Harrison Ford. Apparently, he doesn’t even necessarily need Steven Spielberg behind the camera, though, to be fair, the foundation was well-laid for a veteran like James Mangold to step in. But there is no Indy — none that we care about anyway —without Ford.

In this way, it’s hard not to go into “Indiana Jones and the Dial of Destiny,” in theaters Friday, without a sense of melancholy — not exactly the ideal state of mind for what should be, and mostly is, a fun summer blockbuster. But it certainly adds a poignancy to the whole endeavor whether the film merits it or not.

If only it didn’t start with that pesky de-aging technology (the best it’s ever looked but it remains unsettling), giving us a 45-year-old Indiana Jones doing some of the wildest stunts we’ve ever seen our beloved archeology professor attempt — atop a speeding train to boot. This sequence is ostensibly there to introduce the film’s MacGuffin, Archimedes Antikythera, a real celestial calculation machine with extraordinary predictive capabilities that in the film is bestowed with some otherworldly powers.

But we know the real reason: It’s there to let us gaze at that familiar face and to go on one last adventure with the Indy we grew up with, before being thrust back reality with a nearly 80-year-old Ford (he’s 81 in July) playing a 70-something Indy.

This isn’t inherently sad, but Dr. Jones is certainly reintroduced in the most unglamorous way possible: Sleeping on a reclining chair in a sad New York apartment, a glass of something alcoholic in his hand and threadbare boxer shorts on his person. He’s depression personified, retiring from the university where the kids barely pay attention to him anyway (long gone are the “I love you” eyelids), estranged from Karen Allen’s Marion and watching the world go space crazy around him.

We’ll have to see him work back up to his adventuresome self. No training montages required, thankfully, just a plane ticket, his classic uniform (still fits!) and his old improvisational spirit. The cumbersome plot strains to justify and give meaning to the search for the Antikythera: The FBI is on the hunt for it, as is Nazi scientist Jürgen Voller (Mads Mikkelsen) for whom the war hasn’t ended, and the daughter (Phoebe Waller-Bridge) of Indy’s late partner Basil (Toby Jones) who was driven mad by the gadget. It’s a bit much, as are many of the overly elaborate and strangely murky-looking action sequences from the train in 1944 to a deep-sea diving sequence with killer eels. The movie hits its action high notes when it sticks to the tactile classics, like a brilliantly executed rickshaw chase in Tangier.

Waller-Bridge’s Helena is an enormously enjoyable character, too — a brilliant archeologist herself who chosen a more glamorous, dangerous and decidedly black market kind of existence, selling stolen antiquities to the world’s wealthiest and working her way out of debt. She’s introduced as a wild card and a lot of the tension is derived from whether Indy should trust her. It’s a very good non-romantic pairing of sharp-witted old souls, a generation apart. But you’d think in an almost two-and-a-half-hour film there might have been more time for one of our returning favorites, like John Rhys-Davies Sallah (he does get a few good moments).

I’m not sure anyone had an especially burning need to know what Indiana Jones was up to lately, but at least it gives everyone a chance to end on a higher note than “Kingdom of the Crystal Skull.” Or maybe Ford just needed some closure on one of his iconic characters so that everyone will stop asking him about them.

“Indiana Jones and the Dial of Destiny” might not be “Raiders” or “The Last Crusade” but it’s solid, swashbuckling summer fare and a dignified sendoff to one of cinema’s most flawless castings. LINDSEY BAHR, MDT/AP Film Writer

“Indiana Jones and the Dial of Destiny,” a Walt Disney Co. release in theaters Friday, is rated PG-13 by the Motion Picture Association for, “language, action, sequences of violence, smoking.” Running time: 144 minutes.