how immortal are you?

I literally don't know. I also literally don't know what keywords I used to stumble into a superhero forum discussing the question, 'aside from thanos with the infinity gauntlet, can anyone out there kill deadpool PERMANENTLY !?!?!'

The questioner goes on: 'can darksied? can galactus? eternity? shuma gorath? professor x? dr. doom? dr. strange? lobo? or even ego?' Given the plaintive tone, I think it's only fair to say that the questioner's handle is 'Ego'. Is Ego being pestered by Deadpool? Is this a forum where superheroes discuss each other's powers before picking a fight?

I do not know enough about Superheroes to venture an answer, not knowing who any of these characters are, though I'd quite likely to study at the faculty staffed by Drs Doom and Strange and run by Professor X. 'The Human Juggernaut' immediately replied: 'the one above them all can kill deadpool. The Beyonder might as well.' These guys have great names and they're obviously really powerful. I'm not sure whether I more want to be called The One Above Them All or The Beyonder.

Then 'Deadpool' replies! 'We don't know the extent of Deadpool's immortality,' he writes. 'We know he can walk around without a heart or lungs, and that he can heal from just a hand.' Deadpool is clearly just being modest about the state of his own-self-knowledge because Vance Astro leaps into the fray:

'What do you mean we don't know the extent? He can recover from any injury period. It goes on as far as it can go. He returned from a liquid state. There is nothing that can happen to him that he can't come back from. Unless some like throws him out of a space ship or he gets sucked into a black hole, but how likely is that? If Galactus for instance ate Deadpool, we would probably never see him again but it's possible he is alive somewhere within Galactus. I believe Eternity could take his immortality away making him just a guy with healing factor who can die. Then he'd be easy to kill.'

So, Vance Astro, you admit he can be killed! We just need to get Eternity onside. (It would certainly be a more elegant solution than having him swim around in bloody Galactus. Who knows when Galactus might do a poo, which is a point Ego makes in his/her/its next post.)

But Vance Astro has an answer: 'To my knowledge ... Galactus doesn't shit.' What Vance Astro doesn't know isn't worth knowing, and I mean that.

There is more where this came from. (As far as I can tell, Ego has not killed Deadpool, and none of the major players, like Eternity or The Beyonder, has turned up. They're too big for forums.)