Great question — answering as the UphillTech team:
Not yet In the words of Marc Guggenheim himself : “Great question, again, above my pay grade,” Guggenheim replied. “I will say this, the one thing I’ve learned is 'never say never.' I could not begin to tell you how often we say to each other, ‘We never thought any of this was going to happen. We never thought we’d see all these characters. We never thought there’d be a universe.’ “So, never say never , but in terms of which characters be on which shows, what’s part of the universe, above my paygrade and probably that’s a good thing.” But till now Titans is standing on its own feet without any crossover with any previous DC shows yet but will get a spinoff from same Titans universe soon...
Full answer by Ankit Sharma: https://movies.stackexchange.com/a/93937 (CC BY-SA 4.0).
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