Tony was decked out on his patio, in sunglasses with a cold beer in his hand. He was putting on the appearance of being jokey about the oncoming apocalypse when in fact he was absolutely terrified. Who wouldn't be?
Pepper and Happy had been moved to a safehouse away from New York, just in case. All he had left personally was Jarvis and the suit. Rhodey was in Afghanistan, so he couldn't count on his personal war machine.
Up in the sky was a glimmer. He knew what this glimmer was as soon as two more appeared. He got up and walked inside.
"Jarvis?"
"Yes, sir?"
"Time to suit up."