The Marvel Cinematic Universe has thrived since Robert Downey Jr.'s Tony Stark first hit the screens in 2008's "Iron Man" -- so much that there are two planned MCU films this year. In the latest rumors, it seems the studio's planning to change things up when it's time to release teasers for its two-film event, "Avengers: Infinity War" -- characters could be introduced through online One-Shots! Read More »