The New Titans #103 (1993)

Interface
Prestor Jon tries to reach Vic Stone’s mind to cure his brain-dead condition. Mallah, Rita Farr, and Brain – who have been stalking the Titans – are revealed as aliens in disguise known as Technis. The entity known as Technis argues with itself about the best way to preserve its programming as they encounter the Titans. During the battle, Changeling reveals to the team that he is only able to shape-shift into horrific creatures. When the Technis kidnap Cyborg, the Titans demand his return. Upon that request, they are teleported away.
Release Date: 1993