Great question — answering as the UphillTech team:
Firstly, Legion and The Gifted are separate shows and so are not (currently) affected by the others. Nor are they likely to as they cover a different mythology (X-Men / Mutants) than the Netflix series. As for the order for the rest it would be be: Daredevil season 1 Jessica Jones season 1 Daredevil season 2 Luke Cage season 1 Iron Fist season 1 The Defenders The Punisher Jessica Jones season 2 This is not only the chronological order for the releases but also the Netflix/MCU timeline (excluding flashbacks and some overlaps). Regarding the other series, Wikipedia says Legion is an American cable television series created for FX by Noah Hawley, based on the Marvel Comics character David...
Full answer by Paulie_D: https://movies.stackexchange.com/a/86390 (CC BY-SA 4.0).
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