David Corenswet has undergone intense training and dieting over the past year to gain several pounds of muscle, going from a slender and athletic body to a much more muscular appearance.

David Corenswet was carefully sculpted into DC's Superman, packing on 40lbs of muscle with a rigorous workout ... and if Corenswet's massive new build is any indication, then the Man of Steel ...

But with David Corenswet adding 40lbs of muscle, it would take a lot of dedication ... First, a super-size mass builder: “If you’re trying to gain size, your focus should be on big, compound ...

The new Superman, David Corenswet, has been intensely training ... highlighting exercises and techniques used to build muscle and tone his physique for the character. James Gunn, of course ...

David Corenswet prepares to don the cape of the most famous superhero of all time Correspondent The new Superman, David Corenswet, resides not in Metropolis but a suburb of Philadelphia.

David Corenswet's Man of Steel was on full display, but the footage was arguably stolen by the white flurry of fur that is Krypto. The best boy and loyal companion is already stealing fans' hearts ...

The movie stars David Corenswet in the dual role of Superman/Clark Kent, Rachel Brosnahan as Lois Lane and Nicholas Hoult as Lex Luthor. Also appearing are Edi Gathegi, Anthony Carrigan ...