The schtick with Adamantium and Wolverine:
It was attatched to his body by being essentially “bombarded” onto his skeleton molecule by molecule. It was virtually indistructible. Originally, his claws were contained in seperate housings that were designed to make the claws slip out and in with but a thought.
Magneto liquified and ripped the adamantium out of Wolverine. The trauma from this action left his healing factor shot, and for a good long while, he couldn’t heal any better than a normal person.
Then, some fucker got ahold of the story and rewrote shit. Bowing down to fan-atics that “Wolverine’s just not Wolverine without his claws,” some dipshit decided to give Logan “bone claws,” and opted to avoid the opportunity to explore the character in a whole new light. In my opinion, that guy needs to be shot.
After a good long while of not doing too many stupid things, Wolvie’s healing factor “rested and recouperated,” and came back in full swing. In fact, it came back better than ever. It was discovered that Wolverine’s adamantium was “poisoning him,” and thus, his healing factor was slowed due to the fact it was constantly dealing with keeping him alive and non-poisoned.
Then, a bunch of Apocolypse’s people tried to infuse Wolvie with adamantium again, but he “sacrificed his humanity” to expell it and save Cannonball. This made him mutate into some funky animalistic beast with more body hair (suprisingly), big teeth, bigger claws, and a funny speach impediment. Apparently, with his healing factor working on keeping him from dieing from adamantium poisoning, his body was never able to fully mutate into his “ultimate form,” to use Dragonball Z wording. But, he was there now, and his healing factor was stronger than ever. Apparently, getting run over by a car and breaking several bones in his body only took about one minute to recover from.
Then, someone realized how stupid it was to have Wolverine running around with giant forearms and massive shag carpeting, and suddenly, he got better. But he still talks funny. And then Apocolypse gave him his adamantium back. Now, nobody asks any questions.
But as for the OP, they do mention his skeleton is laced with Adamantium and that it’s supposedly indestructable. There’s still the flash, jerk, “pink” thing at the end, but the movie leaves out enough about describing things, so if it was suppose to be him getting two claws pulled out, I’m not shocked they didn’t talk about it. I’m sure in the sequel he’ll have all six again, but still, I’m just curious as to how others view that.