Who among the Herald tier is the best? I don't mean solely against each other, but who would be able to handle the greatest variety of threats?
I would like this to be more of a mixture of CIS on CIS off debate, because PIS often runs so deep that it muddies the waters of what they can actually do, and what they actually do, or do not do in comics.
Superman
Thor
Silver Surfer
Hulk
Black Bolt
Blue Marvel
Flash
Orion
Wonder Woman
Captain Marvel/Black Adam
Blue Marvel
Hal Jordan
I know that there are many more that make up this tier, but too many competitors make for a terrible discussion. However if you can think of another character that would be better than the ones mentioned above, name them.
DC : Superman. It's no contest too. When SHTF, he out performs his "peers" by a LARGE margin.
Marvel : Thor or Surfer. Thor in terms of raw power output (hello Godblast). Surfer in terms of everything else : planetary level TP, time travel, planetary level matter manip, etc..
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..even the outer hells are indifferent matters for they bow only to potent and archaic Nodens.
Anyway, the answer is Surfer. Preboot Kal might have the most raw power, but he also has more exploitable weaknesses than Surfer and Thor, who are the other logical choices. This isn't a H2H, where Superman fares much better within his own tier. But because of your stips, he gets knocked down a peg.
And the wild card entries that you didn't mention are the mages: Talisman and Classic Strange. Because of how your OP is worded, with versatility in the face of any kind of threat being an advantage, they may actually be the best heralds for the job.
That's not quite true. He's got a few uber showings, several average to good feats, and a ton of inexplicably low ones. There's a reason he's down to HH (originally he was Trans.). But on versatility, yes, he's the man.
It's gotta be a tie between Thor and Surfer: they have too much raw power plus versatility.
Thor has the edge on physical power and Surfer, on versatility. I can't choose.