Robert Downey, Jr: First Iron Man, now Oscar presenter

The Oscar awards this year will have two superheroes presenting. Iron Man Robert Downey Jr will be among those giving away the Golden Man.He joins Wolverine, Hugh Jackman, who hosted the show in 2010 and returns as a presenter this year.Reformed bad boy Robert Downey Jr has been nominated twice - for Chaplin (1992) and Tropic Thunder (2008) - but has never won. Last seen in Due Date, the actor is