The rather cold answer doesn't really stop Aftermath, but it does stomp down on the initial friendliness. He transforms, skidding to a stop, before popping an energon cube out of his inventory and walking the rest of the way over.

"The Autobots are holed up at Maccadam's. Place isn't too far away," he says instead of an introduction, holding the cube out for Perceptor to take as he comes to a stop. "I'd go introduce myself to them before looking around. There isn't a lot of dangerous sorts around, but they are around."