Captain America has a new boss.

Joe Johnston, whose credits include Jurassic Park III and Jumanji, has been signed to direct the comic-book adaptation The First Avenger: Captain America, Marvel Studios announced.

The movie is scheduled for release May 6, 2011, the same weekend that Marvel scored a blockbuster this year with Iron Man, starring Robert Downey Jr. Iron Man 2 comes out May 7, 2010.

Distributed by Paramount Pictures, Captain America is based on the Marvel Comics character Steve Rogers, who volunteers for a research program that transforms him into a patriotic super-soldier.

The lead role has not yet been cast.