Complex sentence: Lori remained a recurring character through the rest of the 1990s, and made an appearance in "Justice Leagues", a recent "Justice League of America" comic event involving her native Atlantis.
Split into simpler sentences: Lori remained a recurring character through the rest of the 1990s. Lemaris made an appearance in "Justice Leagues", a recent "Justice League of America" comic event involving her native Atlantis.