After news broke Friday night that actor Ben Affleck would play Batman in Warner Bros. new Batman/Superman film, many people expressed their outrage on Twitter.

One person tweeted at Democratic New Jersey senate candidate Cory Booker the following note: “If elected, will you stop Ben Affleck from playing Batman?”

“Sorry I’m pro-Ben,” Booker replied via Twitter.

As Buzzfeed's Ruby Cramer points out, Affleck and his wife Jennifer Garner are actually campaign donors for Booker.