The scenes on the hijacked plane were filmed aboard an actual jet fuselage that was brought into the sound stage in Toronto. It took 4 days to film the full sequence.
Butcher casually refers to the mystery woman played by Karen Fukuhara as "The Female," which is her name in the comics.
The Deep's secret identity, or civilian name, is Kevin.
The men who were guarding The Female are speaking in Tagalog, the standardized language of the Philippines.
Fans of the comic will recognize that adorable English bulldog as Terror - Butcher's canine sidekick.