From the Disney Comics Mailing List:
They gave him back the pegleg in the Mickey-Donald-Goofy THREE MUSKETEERS, probably because of the slapstick potential.
Because that’s not what appeals to most of the audience.
Well, in the direct-to-video sequel to Hunchback, Disney gave Quasimodo a love interest based on another Victor Hugo character—a circus performer voiced by Jennifer Love Hewitt named Gwenplaine…
Okay, fine, not really—but that would have been pretty impressive. And this was probably the only time I’d be able to use that joke.
(Why so serious? 
)