Complex sentence: The first was titled, which was serialized in the magazine in 1986 in an off-shoot special issue of "Weekly Shōnen Jump", and published in a single "tankōbon" by Shueisha in 1988 under the magazine's "Jump Comics Deluxe" line.
Split into simpler sentences: The first was titled, which was serialized in the magazine in 1986 in an off-shoot special issue of "Weekly Shōnen Jump". It was then published in a single "tankōbon" by Shueisha in 1988 under the magazine's "Jump Comics Deluxe" line.