Haley Atwell Haley Atwell

The incestuous worlds of Marvel Entertainment properties will continue to intertwine this fall on ABC. Hayley Atwell, the star of the network's upcoming series Marvel's Agent Carter, will guest-star as the titular heroine on ABC's other Marvel-ous series Marvel's Agents of S.H.I.E.L.D.The Hollywood Reporter reports.

Atwell's character Peggy Carter will appear in S.H.I.E.L.D.'s Season 2 premiere, which airsTuesday, Sept. 23 at 9/8c. It'll be a good way to introduce her to viewers before Agent Cartermakes its debut as the timeslot holder while S.H.I.E.L.D. is on holiday break.

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Oddly enough, TV newsman George Stephanopoulos will also guest-star in the episode as himself.

Since Disney, the parent company of ABC, acquired Marvel Entertainment, the network has not been shy about bringing Marvel's universe to the small screen via spinoffs. Marvel's Agents of S.H.I.E.L.D. is a spinoff of The Avengers film franchise, and Agent Carter is a spinoff of theCaptain America films.

Are you glad to see Peggy Carter on S.H.I.E.L.D.?

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