Publication history of Dick Grayson leadership of the Titans to Wonder Girl, and takes a leave of absence from the team. In pre-"Crisis on Infinite Earths" continuity, the maturing Dick Grayson grows weary of his role as Batman's young sidekick. He renames himself Nightwing, recalling his adventure in the Kryptonian city of Kandor, where he and Batman meet the local hero of the same name. "Nightwing: Secret Files & Origins" #1 and "Nightwing: Year One" tell the full post-Crisis version of how Dick Grayson gives up his identity as Robin (having been "fired" by Batman). Uncertain what to do with his new-found independence, Dick considers
Team Titans survived this sudden erasure of the Team Titans from existence. After "Zero Hour", Mirage and Terra joined the Teen Titans and it is revealed that the two (and Deathwing) were from the present and inserted into the Team Titans by the Time Trapper, to try and stop Monarch's plan. Deathwing is revealed to not be a future version of Dick Grayson (his actual identity remains a mystery). Terra is implied to be the original Terra and finds the grave of the original Terra empty; in truth, she is a member of a race of underground humanoids, who stole Terra's body