No not forgetting his weapons just hadn't mentioned them yet.He is a question I Nimrod was a Future seintinel then should he been made of Adamantium since he is from the Future? Also by then should he not had somekind of weapon to destroy Adamantium? Ultrons Weapons- Encephalo Beams: Ultorn possesses an Encepahlo beam which allows him to control minds, render people unconscious and project a psionic attack.
Concussion Blasters: Ultron has Concussion blasters mounted on the back of his hands.
Mind Transfer Device: Ultron possessed a device which could transfer a personality pattern from a human brain to a robot.
Jet Platform: Ultron utilised a jet platform that allowed him to fly