It has shown up in movies, which is where Fielder apparently received the inspiration.
"I liked the Batman sound, the superhero sound," Fielder said.
Fielder has been known to change his walk-up music more than once during a season, and he has toyed around with different ideas for his at-bats. This, however, was a new one.
"I don't know, I liked it," Fielder said.
Jason Beck is a reporter for MLB.com. Read Beck's Blog and follow him on Twitter @beckjason. This story was not subject to the approval of Major League Baseball or its clubs.