The series will also focus on the Wayne family before Bruce became hero Batman.
Bruno Heller will executive produce the hourlong origins story, which has already received a series commitment from Fox, the report said.
No casting or anticipated premiere date have been announced yet.
The project follows a recent trend of small-screen comic-book adaptations such as "Marvel: Agents of S.H.I.E.L.D." and "The Walking Dead."
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