His next canon appearence was in the new comics series, when his cyborg body had an accident and he took on a Ghost in the Machine persona, creating Quackwerks, and using the corporation to take over the city in under a year... why? For revenge? No... just so he could gather every citizen, get them to say every word they know until he came across the activation word for the Gizmoduck suit.
Gosalyn: "So Quackworks taking over St. Canard was just a ruse to..."
Darkwing: "... net Bulba the Gizmoduck suit. Just to show he could!! We've all been trapped in another man's game."