Mark Scout’s two worlds start to collide in the trailer for “Severance” Season 2, which shows the Lumon employee searching for his dead wife — who, of course, is not actually dead.

“My outie’s wife died a few years ago. Except, the woman is Ms. Casey,” Mark (Adam Scott) tells his co-workers as they compare their brief experiences in the outside world. “We gotta get her out of here.”

Season 2 finds Mark, Helly (Britt Lower), Dylan (Zach Cherry) and Irving (John Turturro) returning to Lumon after the so-called Overtime Contingency Protocol awakens their in-office selves outside of work. At the end of Season 1, Dylan learned he had a child, Irving suffered heartbreak after seeing Burt (Christopher Walken) is married, Helly discovered she is the daughter of Lumon’s CEO and Mark figured out his wife is alive — somewhere inside the office.

Mark, Helly, Dylan and Irving have become celebrities of...