Perhaps you could buy the rights to do an additional, short-form mini-series? Presumably, if you've . Limit it to just one additional title at a time, so nobody balloons above 3 a month to something unmanageable, and something like 4-5 issues maximum to keep it from becoming an ongoing in all but name. Could be an event series, could just be a mini for a character or team that hasn't been showing up, or a spin-off mini from one of your ongoings...