Countdown #41

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.

Characters: Adam Strange, Animal Man, Atom (Choi), Atom (Tangent), Batwoman, Black Adam, Bob, Booster Gold, Captain Atom, Captain Marvel (DC), Captain Marvel Jr., Dawnstar, Dick Grayson, Doctor Fate (Kent Nelson), Donna Troy, Eclipso, Elongated Man, Flash (Garrick), Green Lantern (Scott), Green Lantern (Tangent), Grifter, Harley Quinn, Holly Robinson, Human Bomb (Lincoln), Huntress (Wayne), Isis (DC), Jason Todd, Jean Loring, Jimmy Olsen, Johnny Quick, Judomaster, Karate Kid, Lex Luthor, Lois Lane, Luornu Durgo, Mary Marvel, Maul, Mister Mind, Osiris, Owlman, Penguin, Phantom Lady (Sandra Knight), Pied Piper, Princess Projectra, Question, Red Tornado, Renee Montoya, Riddler, Skeets, Spartan, Starfire, Supergirl (Kara Zor-El), Superman, Superman (Kingdom Come), Trickster (Jesse), Ultraman, Uncle Sam, Waverider, Wildfire, Will Magnus, Wonder Girl