Valkyrie,” Tom Cruise said of his WWII drama, is not a comeback.For the one-time box-office champ whose “Lions for Lambs” sank like a stone last year.

This return to the big screen follows a tumultuous period in which he left his unofficial home studio, Paramount Pictures, married Katie Holmes and generated controversy for his Scientology views.

“I had my daughter. She was born,” he said, referring to now 2-year-old Suri, “and I’ve been making films.

”His fat-suited cameo in “Tropic Thunder” earned him a Golden Globe nomination and now Cruise, 46, plays German anti-Nazi hero Claus von Stauffenberg, the leader of the audacious July 20, 1944 assassination attempt against Adolf Hitler.