Ultron Vs General Zod

10,000 Ultron drones and 1 adamantium Ultron

Vs

General Zod W/ battle Suit and 2,000 Kryptonian Soldiers

Story: Zod Comes to invade Earth with his army. Unknown to Him, the Earth has benn taken over by Ultron As he invades he is attacked by them ( they have time to draw they're weapons )

Battle Takes Place in New York Times Square

go!!!

Ultron Stomps

There will be strings on Zod.

Gallery

Zod with strings kneels before Ultron

General Zod becomes Ultron's corpse puppet

Can Kryptonians break/damage adamantium?

Mismatch.

Only if they have molecular manipulation powers to boot.

@risingbean: So if Zod or Superman straight up punched Ultron in the gut, it wouldn't cause significant damage to his frame?

Only if PIS is involved or it's secondary Adamantium. If the former happens (and it has) then it will soon be reconned to the latter.

So yeah, pretty much if Zod or Superman punched Ultron his frame should be fine. whether or not the internal circuitry is also fine is beyond my pay grade.

Edit: A link as an example.