Titans Annual #1

When Dick, Wally, Donna and Garth awaken in an unfamiliar place, they find themselves face-to-face with their mentors: Batman, The Flash, Wonder Woman and Aquaman! Allied together against a common foe, the mentors and protégés must race against the clock to unlock the secret of their current predicament and save the planet from an alien invasion!

Characters: Aquaman, Batman, Cyborg, Dick Grayson, Donna Troy, Flash (Barry Allen), Garth, Jessica Cruz, Key, Lilith Clay, Metallo, Roy Harper, Simon Baz, Superman, Wally West, Wonder Woman