Teen Titans: The Judas Contract by her evil older jealous sister Blackfire who had staged a coup and forcibly took the throne. As she is no longer able to return to her world, the Titans offer her a home on Earth as one of them. In the present, Dick Grayson - now known as Nightwing - rejoins the Teen Titans to track down a terrorist cult led by Brother Blood, who plans on capturing the team to absorb each of their unique abilities with a machine that he has tested on Jericho; the latter is later executed by Brother Blood's lover and assistant; Mother Mayhem.
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