Hero R1 vs Hero R2

[Andromeda18_]

Well, the R1 has the following:

.Featurette - Making Of
.Prodution Art & / or Photos
.Storyboards
."Hero Defined" - a look at the epic masterpiece
.Inside the Action: A Conversation with Quentin Tarantino & Jet Li

while the R2 apparently has no extras whatsoever.