Officials are now waiting on toxicology results to get further information.
We hope his friends and family get some closure with this sad passing.
[Image via Getty Images.]
Ever wonder what the best thing is about being on the set of a big superhero blockbuster like Captain America: The Winter Soldier is?
OK, besides Chris Evans' butt!
Ch-ch-check out the video (above) to hear what (the newly announced Agent 13) Emily VanCamp, Samuel L. Jackson, and Anthony Mackie loved best!
Hint: It might be Robert Redford's butt!