Countdown (2008-) #41
By Paul Dini, Adam Beechen, Dan Jurgens & Dennis Calero
- Release Date: 2007-07-18
- Genre: Comics & Graphic Novels
Jimmy Olsen prepares for the debut of his new superhero identity: Mr. Action! Meanwhile, Mary Marvel contemplates her recent aggression and Jason Todd, Donna Troy and the Monitor head to the Palmerverse.