David Corenswet didn’t fit into any of his pants after bulking up to play Superman. The 31-year-old actor plays the title role in ‘Superman’ – director James Gunn’s new take on the comic book hero – and he has revealed he struggled to fit into his clothes after he gained weight to portray the Man of Steel. During an appearance on the ‘Manly Things (Sort Of)’ podcast, Corenswet explained: “I wasn’t 238 [pounds] when we started shooting. I was 238 at my max. “It was so awesome, I wanna go back. I put on like one of those crew neck sweatshirts … Champion. And I put on one of those sweatshirts – l…