They shouldnt have done it. The explanation they give is that Superman is invincible, so Goku can't kill him. But, at the same time they say Goku is the character that always rises to the occasion and overcome adversity by becoming stronger.  This at least, logically leads to a tie. Because Goku would become invincible to defeat superman. And since its 2 invincibles aka 2 infinites, the result must be a tie. I don't think they shut any fanboy's with it. They made it worse, i'm betting. Also, it sounds petty to put so much work into just "shutting up the fanboys" but oh well...

I'm sorry, but Raiden is a god... as in... immortal. He's even more indestructable than Superman. You can't kill a god lol.

Sometimes bad story telling in comics makes me sad. There was a big deal made about that and many people hated it. I still do. How do you 'heal' from nothing? You don't because there's nothing to heal. That moment changed his power set from just an extremely powerful healing  factor to full regenerating immortality and luckily no writer has mentioned or made reference to it since (afaik).

His powers are meant to be healing, which means stab the heart, it heals. Remove the heart from his entire body and he dies (there is no heart to heal).

Anyway, rmoving his head is enough to kill him (ignoring the moment mentioned above) but according to people here Raiden's sword can cut through his Adamantium. The fight seems setup so Raiden can win something. :P

Except Wolvie's adamantium claws would rip through Jack and slice him into bits. Since as they said, Wolverine has hit the dude that can move faster than the speed of sound, he would catch a few hits and slice and dice. Would be sliced into threads before he ever reached the 'ripper' state. Long before. 

I think what makes it worse is how they ended the fight.  Superman takes the strongest Kamehameha Wave, but can just walk through it no problem?  When before it has shown to blow him back when not even at full power?  Obviously someone is a Superman fanboy and just wanted his fave coming off looking like a badass.  Then, Supes just grabs Goku and Goku does nothing?  And allows Superman to melt his brain?  BS.  Again, someone is a Supes fanboy and just wanted a character that some say can kick Superman's ass, which obviously ticks him off, to come off looking weak and helpless.  Pretty pathetic.

I personally think Superman fanboys have got to be some of the worst.  They are fine with Superman getting a new power/resistance to someone else's power almost every comic book.  To me, Superman has gotten boring since they started pulling powers out of their butt for him.  They are fine with the Man of Steel movie which basically screwed up his character (and his adoptive dad's to be honest).  Since when does Superman perposely kill innocent people in buildings just to take down an enemy?  And that weak ass ending of the fight, him breaking Zod neck like he had not other option.  Sure...Guess he lost the ability to fly.  Or throw him around like he's been doing for 1/3 of the movie.  Or hell, just cover up his eyes.  Just weak.

The healing is actually from the DNA, not the brain. Since his DNA is in his skeleton that is infused with adamantium, Wolverine is essentially invincible. Admittedly, the skeleton would have fallen to bits without ANY flesh to hold it together, but then there would possibly be multiple Wolverines out there with a limb or two that have adamantium skeleton. Kind of like Dead Pool and the multiples of him out there.