“Real Steel” is “Transformers” meets “The Champ,” a cute, occasionally sentimental father-son bonding picture with Rock’Em Sock’Em boxing robots as its backdrop.\

And if that doesn’t scare you off, by all means, read on. It is science fiction and it does star Hugh Jackman, after all. And there’s a little more beneath the surface than just the crowd-pleasing fights.

In the post “BattleBots” near future, boxing has faded away. What gets the blood-lust up in a crowd, at county fairs, in underground fight clubs or on TV, is the see two boxing robots tear each other to pieces in the ring.

Charlie (Jackman) is an ex-fighter who travels the backroads, putting his late model robot into fights with bulls, other robots, all comers. And since the robot has seen better days and Charlie is a born loser, he’s always losing and always slipping out of town without paying off his bets. And he’s always slipping back into his ex-girlfriend’s (Evangeline Lilly) run-down boxing gym/robot parts shop to start over.

“You’ve been working with those robots so long you’ve become one.”

She’s being prophetic. Charlie is so hard up for cash that when he learns he has a son from a long-ago relationship and that the boy’s mother has died, he sells custody of the kid to the woman’s sister (Hope Davis). Actually, to her husband (James Reborn). But the deal is Charlie keeps the kid for the summer so’s the rich folks can go on their European vacation in peace.

“You sold me?” the kid (Dakota Goyo) yells.

“Sounds worse than it is.”

With that cash and that fresh-mouthed kid, Charlie buys back into the game and heads back on the road. The kid finds his own junked sparring ‘bot. And as their mechanical alter egos fight in abandoned warehouses and meet colorful characters like the promoter Finn (Anthony Mackie, classing up the joint), maybe their luck will change.

“Real Steel” bears little resemblance to “Steel,” the Richard Matheson story it’s based on, or the classic “Twilight Zone” episode that hewed close to that story. That was about a broken down, desperate ex-boxer who dresses up like his busted robot and gets into the ring to battle a machine just to save his skin, a real man showing his mettle, as it were. If they’d married that story to “The Champ,” they would have had a real weeper.

“No, pa, DON’T get in the ring with that machine! He’ll KILLya!”

What director Shawn “Night at the Museum” Levy went for instead was a toy tie-in, an overlong movie that takes on some of the grimy veneer and colorful characters of a “boxing picture,” sanitizing it for children. “Let’s get it on like ping pong!”

Jackman gamely does his best,  Levy keeps the kid just shy of insufferable and just this side of kid-appropriate in his behavior and language. And the fights, better animated than those far sillier “Transformers” movies, do have a visceral feel to them. You could totally see boxing going this “BattleBots” route and people signing up for pay-per-view bouts that pit unfeeling, speechless machines against each other in fights to the death, even betting on the outcome.

It might be cheaper, though, just to buy a Rock’Em Sock’Em Robots set.

MPAA Rating: PG-13 for some violence, intense action and brief language

Cast: Hugh Jackman, Dakota Goyo, Evangeline Lilly, Anthony Mackie

Credits: Directed by Shawn Levy, written by John Gatins, Dan Gilroy and Jeremy Leven, based on the Richard Matheson story “Steel.” A DreamWorks release. Running time: 2:04