Thread:Hatebunny/@comment-25737724-20150526231638/@comment-3361105-20150528054508

... the only workaround I can think of would be to use the categories for "First issues" and "Last Issues", and cross-reference issues that belong to a certain category.

So, you'd get something like this:

Which should, in theory return the first issue of Batman Vol 2... and then use whatever part of CID collects the month and year from THAT issue.

But, that would require nested dpl again.