New updates and possible spoilers for Agents of S.H.I.E.L.D season 2 have been revealed as three shield agents are rumored to guest star in the show very soon.

According to reports from Den of Geeks, Agents of S.H.I.E.L.D. creators Joss and Jed Whedon pitched in an idea of having characters from the Avengers to guest star in the new episodes in season 2. Jed hinted that these characters are well renowned Shield agents and fans have speculated that these characters are none other than Black Widow/Natasha Romanov and Hawkeye/Clint Barton.

Several comic book fans wanted to see Hawkeye in the show to explain his absents during HYDRA'S takeover of S.H.I.E.L.D. in season 1.

But these two aren't the only characters to make an appearance in season 2. Sharon Carter a.k.a. Agent 13 is also rumored to join Agents of S.H.I.E.L.D. and is hinted to be a series regular. Sharon Carter first appeared in Captain America: The Winter Soldier played by Emily VanCamp.

So far, there is no confirmation yet these three agents will guest star in the show, but the possibilities are limitless.

Meanwhile, the plot details for episode 6 of the show have been leaked online.

According to reports from ComicBook.com, episode 6 is titled "A Fractured House" and plot details hint that HYDRA has framed SHIELD for a terrorist attack in the United Nation, and a new enemy leads them.

“A Fractured House” – The world turns against S.H.I.E.L.D. when Hydra impersonates them to attack The United Nations, and an unexpected enemy leads the charge to bring about their downfall, on “Marvel’s Agents of S.H.I.E.L.D.”

The website revealed that Bobbi Morse a.k.a. Mockingbird ( Adrianne Palicki ) and Grant Ward's brother Senator Christian Ward (Tim Dekay) will appear in the show.

What do you think of the new updates for Agents of S.H.I.E.L.D. season 2? Sound off in the comments section below.