The Agents of SHIELD premiere will open season 2 with all the questions fans have been pondering all summer.

The Agents of SHIELD will have their backs up against a wall by time episode 2, "Heavy is the Head," rolls around.

'Agents Of SHIELD' Seaosn 2 Spoilers: Peggy Carter To Feature In Premiere, What Is Hayley Atwell's Agent Up To? [VIDEO]

The Agents of SHIELD will slip into the shadows for the season 2 premiere. The Agents of SHIELD will slip into the shadows for the season 2 premiere. FitzSimmons To Have 'Strained & Fractured' Relationship On 'Agents Of SHIELD', Burdened By 'Guilt & Regret' Director Coulson (Clark Gregg) and his team will return to ABC this fall with the aptly titled "Shadows," according to Spoiler TV.