Sen. Patrick LeahyPatrick LeahyVerizon angling to lower price of Yahoo purchase: report Dem senators call for independent Flynn probe Overnight Cybersecurity: White House does damage control on Flynn | Pressure builds for probe MORE is calling Ben Affleck a "great pick" to play Batman.

The 73-year-old Vermont Democrat and Caped Crusader fanatic — who has moonlighted as an actor with cameos in three "Batman" movies — tweeted Friday:

Warner Brothers announced Thursday that the 41-year-old Massachusetts-raised star, who has flirted with a political run over the years, is poised to play Batman in the untitled sequel to the Superman movie, "Man of Steel."

The news of the "Argo" director taking on the role of the defender of Gotham drew swift reaction on social media sites, with some Twitter users questioning the casting choice.

The Batman and Superman flick is slated for a 2015 release.