I would want to know the particulars of circumstance of your paper AND the journal to which you submitted your paper before I could offer a really satisfactory answer. 

And the field of endeavor (nodding to the fact that each field has its own standards, etc.)

Do you mean that you submitted a serious paper to what you thought was an actual journal and the journal turned out not to be "respected" or not at all a journal..? Or your paper was offered as a "hoax" by you (like Sokal's paper in the 90s)? 

Has the paper been published? (And was this strictly "online" or did the journal also have a paper counterpart?) Also, what is the publication policy of the journal?

Generally, w/o regard for the particulars of your situation, you can always ask. State your case in enough detail and ... see what happens.

But also, (generally speaking,) most things that are "out there" (wherever "out there" is), are "out there". In which case (and again, not knowing the particulars of your situation), you might consider a proper response. That is, you can retract your previous paper (in essence) by replacing it with an addendum, a new analysis, a retraction... all in a new journal ...

If you are describing a "regret" only (perhaps you published in an inferior journal which now prevents a "better" journal from publishing your research), you can still request a retraction, etc. You can also still attempt a "follow on" paper in a "proper" journal. Or you can attribute the experience to a lesson learned and let the experience guide your NEXT submission ...

Good Luck