This season of Marvel's "Agents of S.H.I.E.L.D" will continue to unravel past mysteries as this week's episode will take viewers back to the events that occurred in Captain America: The Winter Soldier.

During that time, HYRDRA was revealed to be amongst the super spy headquarters. In a sneak peak trailer, agents Bobbi (Adrianne Palicki) and Mack (Henry Simmons) scour through a bombed aircraft carrier looking for their boss Agent Robert Gonzales (Edward James Olmos).

Agent Gonzales told the two to join Agent Coulson's team to gather intel about Nick Fury, who Gonzales does not trust. In the trailer, Bobbie and Mack find Agent Gonzales who holds them at gun point. They tell him that they are not HYDRA. "I've heard that before," replies Gonzales.

Earlier in the trailer, it looks like the team is finding out the truth about Bobbi and Mack. May (Ming-Na Wen) and Fitz (Iain De Caestecker) find Coulson, telling him that Bobbi has set off alarms using an EMP and has taken Fury's toolbox. Whatever that contains could lead to disaster for the team.

In the other trailer, Coulson talks to Mack who is working on Coulson's care. Mack is the only one allowed to touch the car, nicknamed Lola.

"I know Lola like the back of my hand, so it wasn't too hard to find once I went looking," Coulson says, "I still haven't figured out what that component you put in there does, but I'm having Fitz take a look now. You could save everyone a lot of trouble by telling me what it is you're after."

The component is revealed in the other trailer, with Fitz saying it was a scanner. Mack denies Coulson's accusations. Coulson further tells Mack that he should just come clean and save him and his team the hassle.

"Marvel's Agents of S.H.I.E.L.D." Season 2, airs Tuesdays at 9 pm EDT on ABC.