Watch Robert Downey Jr.'s screen test for Iron Man, plus a scene rehearsal with the cast, as part of the extras for the new Iron Man 2-DVD set, due out on Sept. 30. (And yes, it's on Blu-Ray too.) The package also includes a bunch of special-effects featurettes, but this time around I'm actually more curious to see Downey and Jeff Bridges working out some of their creepy chemistry. Oh, and proving someone has a sense of humor, it also includes The Onion's video "Wildly Popular Iron Man Trailer To Be Adapted Into Full-Length Film." [MoviesOnline]