'Agents of S.H.I.E.L.D.' Casting News: The Wonder Woman You Never Saw, Adrianne Palicki, Cast as Mockingbird in `Agents of S.H.I.E.L.D.’ Everything You Need to Know About Mockingbird

'Agents of S.H.I.E.L.D.' Casting News: Adrianne Palicki will brandish a baton as Marvel hero Bobbi Morse, also known as Mockingbird in "Agents of S.H.I.E.L.D." season 2.

Variety reported that Friday Night Lights favorite and comic book fan Adrianne Palicki will join Agents of S.H.I.E.L.D. season 2 cast additions like former Warrior Princess "Xena" Lucy Lawless who will play Isabelle Hartley, a veteran SHIELD agent; Nick Blood who joins as mercenary Lance Hunter; Reed Diamond who was cast as Daniel Whitehall, a HYDRA agent known as the Kraken; Henry Simmons who will play as S.H.I.E.L.D. agent Alphonso "Mac" Mackenzie and Simon Kassianides as Bakshi.

Mockingbird is a trained Agent of S.H.I.E.L.D. who graduated at the top of her class. She's actually a doctor because she earned a Ph.D. in biology. Mockingbird was injected with an experimental drug combination of Super Soldier Serum, the one that that gave Captain America his strength, and the Infinity Formula. She died in the comic series and came back as a reanimated corpse and then more permanently. Mockingbird was first seen in the Ka-Zar story written by Gerry Conway and pencilled by Barry Smith in Astonishing Tales #6 in June 1971.

Palicki was cast as Wonder Woman in David E. Kelley's TV pilot of the same name that was never picked up. Palicki is best known for her roles in "Friday Night Lights," "About a Boy" and "Lone Star."

Patton Oswalt, who plays Billy Koenig and Sam Koenig first teased about the addition of Mockingbird to the Agents of S.H.I.E.L.D in July at Comic-Con. She played Wonder Woman in the WB pilot Aquaman. She will star with Keanu Reeves in "John Wick," which is due in October, "Baby, Baby, Baby" and "G.I. Joe 3."

Agents of SHIELD returns Sept. 23 at 9 p.m. on ABC.