Not possible. For comics you can look into fixed layout epub which is supported in iBooks.
Thanks. I'll look into the fixed layout option.
Maybe there is a way with the new "copy link" feature of DPS v20 so the user could view the folio of the comics app in a web browser?
See the section "Web Viewer" at Johannes Henselers' website:
and an example from Johannes (with a "pinch & zoom" overlay) at:
I like the idea, Laubender. But it's not right for what I'm looking to acheive. However, it's given me an idea for something else! Thanks for the response. Much appreciated.