2. No idea. Current Thor is supposed to posess the Odinforce and with it he should destroy Surfer...but he hasn't proven himself yet. Current Surfer is vicious, but MJOLNIR is still one problem Surfer has to cope with. I dunno.
Surfer should win in scenario 1. Thor without Mjolnir <<< Hulk. Surfer can cope with that, imo.
I've not seen current Thor demonstrate superior strength/power, especially not when he went up against Rulk. whereas Surfer has demonstrated durability beyond anything he's going to require in either of these scenarios (the UniLord fight, T&A).
all out? hmm, I still say Surfer, the Power Cosmic is just too vast, it makes everything else look miniscule... the only thing that Thor has done that's been impressive is resurrecting the dead, something Surfer has never done... but then Surfer's evolved/manipulated/healed/affected billions of peoples at once without any strain whatsoever, whereas Thor needed Thorsleep after bringing back Asgard....
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Humans are afraid of the dark.
And yet… At the same time, we’re fascinated and bewitched by it.
Maybe that’s why humans drink the darkness that is coffee.
1. Thor. Hey, gotta give the brick his due.
2. Hard to say. If their power remains proportional from pre-upgrade, then Surfer ftw -- provided he's learned to keep his mouth shut and maintain the assault once he gets the upper hand.
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Shinier than a speeding bullet.
__________________
Humans are afraid of the dark.
And yet… At the same time, we’re fascinated and bewitched by it.
Maybe that’s why humans drink the darkness that is coffee.
no, he upgraded himself once, during the UniLord saga, then during Annihilation Galactus stated that he was giving Surfer an upgrade (as well as offering to strip away Surfer's conscience).
also, there's the piece of Deathurge or whatever, that Surfer carries around.