Complex sentence: The season features the motorcycle gang Dogs of Hell, whose Nevada chapter was first featured in the "Agents of S.H.I.E.L.D." episode "Yes Men", and Roxxon Oil, a company featured throughout the MCU.
Split into simpler sentences: The season features the motorcycle gang Dogs of Hell, whose Nevada chapter was first featured in the "Agents of S.H.I.E.L.D." episode "Yes Men". It also mentions Roxxon Oil, a company featured throughout the MCU.