Complex sentence: He came up with the idea in 1999 during the process of inking "Bone", inspired by his thoughts of how films like "Blade Runner" and the Bourne film series could come together.
Split into simpler sentences: He came up with the idea in 1999 during the process of inking "Bone". He would watch films like "Blade Runner" and the Bourne film series and was interested how these movies could come together.