Justice League of America, Vol. 1 #247 (1986)

...There's No Place Like Home
The League, in search of a new headquarters, return to the first one the team had, at Happy Harbour. As they tidy the place up and get the power going, Gypsy finds a family of possums while Vixen senses something else in the cave. Elsewhere in the galaxy, on the prison planet Takron-Galtos, a mysterious villain succeeds in escaping. The League follow their own pursuits with Steel still being pestered to become an actor and Zatanna still looking for her friend Sheri. As the other League members continue tidying the headquarters, Vixen is attacked by the creature she sensed earlier as is Elongated Man, Gyspsy avoiding the attack by becoming invisible but when the creature attacks the possums, Gypsy attacks it and, to their surprise, makes it cry.
Release Date: 1986