Given the task definition and input, reply with output. In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].

Holy backlash, Batman! Warner Bros. announced Thursday that Ben Affleck will play Batman in the sequel to the Superman movie "Man of Steel." Rumors about who'll star as the Caped Crusader in the yet-to-be-named film have been swirling ever since "Man of Steel" director Zack Snyder announced at Comic-Con last month that the two superheroes would appear together in the sequel -- their first pairing on the big screen. Affleck's name wasn't even on The Hollywood Reporter's list of possible Batmans two weeks ago, when it speculated Ryan Gosling or Josh Brolin were likely candidates. Needless to say, the Internet went nuts -- and not in a good way.It will be the sequel to Snyder's "Man of Steel" blockbusterThe studio plans a July 2015 release for the movieInternet immediately responds, and not in a good way 
 Question:"It's beyond mythological to have _ and our new Batman facing off, since they are the greatest superheroes in the world," Snyder said at Comic-Con.

Superman