Originally posted by ODG
That's Galactus though. If Thor w/Mjolnir needed a crack, then Surfer likely will too.
Thor in Avengers is always getting all sorts of ridiculous excuses and handicaps. There's no reason why Adamantium would prevent him from manipulating the energies inside of Ultron.
As it stands tho, it is a good stance to take up against Surfer manipulating Ultron's energies without cracking his armour 🙂