• "Agents of S.H.I.E.L.D." has officially released promotional posters and banners

"Agents of S.H.I.E.L.D." has officially released promotional posters and banners (Photo : Facebook/Agents of S.H.I.E.L.D.)

New updates and rumors for "Agents of S.H.I.E.L.D." season 3 have been revealed regarding Jemma Simmons turning into a villain and new Inhuman characters joining the Secret Warriors team.

The plot details for "Agents of S.H.I.E.L.D." season 3 will focus on Phil Coulson (Clark Gregg) and his teams of S.H.I.E.L.D. agents finding people with "Inhuman" super powers in hopes of protecting them from threats like HYDRA, at the same time convince them to join the team and use their powers for good.

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Marvel Studios has been planning to put the "Secret Warriors" in "Agents of S.H.I.E.L.D." season 3 and this team of super powered individuals will be led by Coulson and Daisy Johnson/Quake (Chloe Bennet). The first possible members in the team include Alphonso "Mack" MacKenzie (Henry Simmons), Lincoln Campbell/Sparkplug (Luke Mitchell) and Mike Peterson/Deathlok (J. August Richards). Three Marvel characters are rumored to be drafted in the team such as Sebastian Druid, Stonewall and Slingshot.

The team will not start out in good terms as The Superhero Bulletin tweeted an image of what appears to be a heated confrontation between Lincoln and Mack with Daisy being the voice of reason of the two.

Lincoln was first introduced in season 2 as an Inhuman living in a secret sanctuary with others like him. The secret Inhuman sanctuary was led by Jiaying (Ditchen Lachman), Daisy's biological mother who unbeknownst to her is making preparations for war against humanity. Daisy befriended Lincoln in the sanctuary and convinced him to help her stop her mother, which he did and joined S.H.I.E.L.D. in the process, International Business Times reported.

Mack, on the other hand, had trust issues with these Inhumans and will likely intensify since Coulson is making plans on recruiting every super powered individual across the globe and train them to use their powers to save the world.

In other news, a recurring character from the show will likely become the latest villain in "Agents of S.H.I.E.L.D." season 3.

The possible subplot for season 3 will focus on saving Jemma Simmons (Elizabeth Henstridge) from being trapped in the Kree monolith after the events in season 2. Bennet stated in an interview that only Leo Fitz (Iain De Caestecker) could save Simmons from being trapped in the Kree monolith as the others have given up on her and moved on.

Several fans have theorized that Simmons return to the show likely change her, having developed super powers and slowly turn evil in the process, Movie Pilot reported.

Coulson and his team will also have to deal with HYDRA's new leader Grant Ward (Brett Dalton) and a new government agency called "Advance Threat Containment Unit".

"Agents of S.H.I.E.L.D." season 3 will premiere on Sept. 29 on ABC.