Complex sentence: Originally, it was Josh Keaton to reprise his role from "The Spectacular Spider-Man" and had even recorded his dialogue with the rest of the voice cast, but he was then redubbed by Bell.
Split into simpler sentences: Originally, it was Josh Keaton to reprise his role from "The Spectacular Spider-Man". Keaton was initially set to reprise the role, and had even recorded his dialogue with the rest of the voice cast, but he was then redubbed by Bell.