We Finally Know The Identity Of The Mystery Woman In 'The Avengers' Sequel Trailer

When Marvel released "The Avengers: Age of Ultron" trailer, fans were left with a lot of questions about the anticipated sequel.  The biggest mystery revolved around an unidentified actress spotted at the 37 second mark of the trailer. We finally know her identity! She popped up again in a new clip that premiered earlier this week during ABC's "Marvel's Agents of S.H.I.E.L.D.," but once again, the actress's view was still obscured.  Many were convinced she was Thor's girlfriend Jane Foster (N...