Ambush Bug wasn't strong. No, he was a pretty regular guy, and he was still figuring out what the suit could do. Of course, the antennae served a multitude of purposes- including parsing for communication frequencies. No time to worry about what was going on on Metropolis's classic hits station, though, because Superman was in peril! And such a large machine left only one option.

*pop*

Ambush Bug reappeared at a junkyard, grabbing some welding equipment and a tiger saw...

*pop*

 ...and teleporting on to the giant robot's shoulder. He prepared to teleport away once the robot attacked- preferably into its inner workings. He held up his hand, signalling the robot to stop.

"Hold, citizen of another world! I, Ambush Bug, must request some ID if you want to enter our atmosphere lawfully! Otherwise, you WILL be placed under citizen's arrest!"