Unless you're watching porn, the sex scenes in movies and tv shows aren't real. But the one staring John Cena in Judd Apatow's new comedy. If you’ve seen the movie Trainwreck, then you know just how painfully awkward the sex scene featuring John Cena and Amy Schumer was. During the scene, Schumer’s character asks Cena's character to talk dirty to her, and he responds by well, let’s just say he tried. Flashback: Amy Schumer on Sex Scene with John Cena — His Body Is sex scene with Amy Schumer in her hit comedy Trainwreck.