Comic-Con 2013: Warner Bros. Is Making a Superman-Batman Crossover Movie
Much like how fans are pining for Wolverine and Spider-Man to team up with the Avengers in a cinematic blowout, so too are they hoping for a Superman and Batman crossover. A while ago, back when Joseph Gordon-Levitt was rumored to star as the Dark Knight in 'Man of Steel 2' or some standalone film in the universe, talk branched off into a possible big-screen team-up for these two heroes. Now sourc