In the DC/Marvel combined "Amalgam Universe", a merged version of the Legion, Marvel's Guardians of the Galaxy and characters from Marvel's 2099 reality appeared in the title Spider-Boy Team-Up as the Legion of Galactic Guardians 2099.
Legion of Super-Heroes Annual #7, part of the 1996 "Legends of Dead Earth" event, showed Wildfire, as the last survivor of the original Legion, forming a new team.