Matthew McConaughey left a gym in NYC yesterday decked out in familiar workout gear. Later, he met up with his pregnant wife Camila Alves and their kids, Levi and Vida, for a walk. Matthew's in Manhattan prepping to hit the talk show circuit to chat up his forthcoming release, Killer Joe. Matthew toured the globe with Channing Tatum earlier this Summer on behalf of their stripper flick, Magic Mike, but this time around, he's going solo. Matthew's scheduled to sit down with Jimmy Fallon on Monday, Jon Stewart on Tuesday, and funny guy Craig Ferguson on Wednesday. You can check out Matthew in his dark thriller when Killer Joe hits theaters in limited release on Friday.