Hayley Atwell has been cast on a new ABC pilot -- and as you might guess, that may not be good news for the future of her current series, "Marvel's Agent Carter." THR reports that Atwell has been cast to star in "Conviction," which is in "first position" to "Agent Carter" -- meaning that if "Conviction" is ordered to series, she'd have to balance both shows in her schedule if "Agent Carter" returns, which THR notes is "a big if," though at least possible. Deadline calls an "Agent Carter" renewal "improbable" and that it is "probably going away."

"Conviction" would star Atwell as Carter Morrison, the "brilliant but ne'er-do-well daughter of a former president, who is blackmailed into taking a job as the head of Los Angeles' newly created Conviction Integrity Unit. She, along with her team of lawyers, investigators and forensic experts, work together to examine cases where there's credible suspicion that the wrong person may have been convicted of a crime." Liz Friedman, a "Marvel's Jessica Jones" vet, wrote the pilot.

Additionally, "Agent Carter" showrunners Michele Fazekas and Tara Butters -- who are also Marvel Comics' current "Captain Marvel" comic book writing team -- have a new pilot in the works at ABC, "The Death of Eva Sofia Valdez."

"Marvel's Agent Carter" is currently in its second limited-run (eight-episode) season on ABC, attracting modest ratings for the network at the 9 p.m. time slot on Tuesday nights, a space inhabited by "Marvel's Agents of S.H.I.E.L.D." for the bulk of the season. The show is set in the post-World War II era of the Marvel Cinematic Universe and stars Atwell as Peggy Carter, a role she originated in 2011's "Captain America: The First Avenger."