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.
Publication history of Dick Grayson (an all-star superhero team of which Batman was a part). This team is led by the modern-day Robin, residing on Earth-One, was joined by two other teenage sidekicks: Aqualad (sidekick of Aquaman) and Kid Flash (sidekick of The Flash), to stop the menace of Mr. Twister. Later, the three sidekicks join forces with Speedy and Wonder Girl in order to free their mentors in the JLA from mind-controlled thrall. They decide to become a real team: the Teen Titans. By virtue of the tactical skills gleaned from Batman, Robin is swiftly recognized as leader before the Titans disband some years