Movie origin stories finally reach their nadir this week with “Transformers One,” the super-violent, toy-selling vehicle that tells the tale of how Optimus Prime and Megatron went from besties to foes.

The camera is constantly swiveling and the violence — assault-weapon lasers, booming cannons, light torture, martial arts crunching moves, beating a rival with their own amputated limb and

The "Transformers" franchise appears to have regained its spark with brand new entry "Transformers One," set around the origins of Optimus Prime and Megatron.

There are, happily, no human characters in this film. What a smart move this is for “Transformers One.” The terrific animation makes that possible for this reboot (and, I hope, for the sequels that soon will follow.

As origin stories go, director Josh Cooley's breezy, action-packed genesis tale reintroduces Optimus Prime, Megatron and the rest of the Transformers gang, without any pesky humans hanging around the edges of the frame to muck things up.

"It's a great kind of tragic arc–a Shakespearian arc–and I knew if we could sell that friendship in the beginning, it would [payoff for audiences] knowing that it's not gonna last." But seeing where these characters end up is just the bottom end of the sandwich,