Marvel's Old Man Logan ongoing is now slated to end in October with issue #50. Announced in the publisher's October 2018 solicitations, the ongoing has been published since spinning out of 2015-2016's Secret Wars event.
X-Men Gold, the X-Men team book Old Man Logan is a part of, was previously announced as ending in September.
The primary Wolverine, after returning in 2017's Marvel Legacy #1, launches his first solo series in years this September with Return of Wolverine.
Here is the solicitation for Old Man Logan's final issue:
OLD MAN LOGAN #50
ED BRISSON (W)
IBRAIM ROBERSON (A)
Cover by ANDREA SORRENTINO
variant cover by GERARDO ZAFFINO
final issue variant by MIKE DEODATO JR.
• Logan came into this world the same way he’s leaving it: IN PAIN!
• Don’t miss the end of an era as Old Man Logan’s golden years are cut short!
40 PGS./Parental Advisory …$4.99