Action Comics, Vol. 1 #853A

Countdown - Superman's Pal Jimmy Olsen In 3-2-1 Action!, Part 2: The Signal
Kryptonite Man is setting up his criminal research empire, and looking for financial backers. Jimmy Olsen comes in as Mr. Action to deal with it, but his inexperience and erratic power set are no match for the radioactive man.
Release Date: 2007