You have 2 series in core:
Twilight X (Antarctic)
Twilight X (Antarctic) 1993
The series you have as “Twilight X (Antarctic)” is called “Twilight X: Interlude” in the indicia.
Also, the image you have for #3 of “Twilight X (Antarctic)” is actually the cover of #3 from the series you are calling “Twilight X (Antarctic) 1993”. The actual #3 cover is this (date is Nov 1992):
Also, core only has 5 issues for this series and it ran 6 issues. Issue 6 is May 1993, and cover is this:
