No, this isn't a reference to that crap-fest that was Iron Man 3. I don't care how cool it was or how much you liked it... that movie was full of plot holes and cop-outs and isn't deserving of all the good reviews it got. That being said, the first two were good. Saw a vogue photo shoot where Pepper was wearing one of Tony's gloves and it reminded me of the scene in the first movie where he was working on one with a screw driver and a bunch of loose wires. Cut to me with a cotton glove, hot glue, foam, a $10 repulsor from walmart, some spray paint, and a bunch of loose electrical boards and wires... not too shabby!
Here is the repulsor I started with