Robert Downey Jr. Offers Clue for Tomorrow's "Avengers" Announcement

"Iron Man" star Robert Downey Jr. took to Twitter to tease a "big" "Avengers" announcement on tomorrow's episode of "Good Morning America" and offered a clue as to what that announcement might be with an ambiguous photo. Not to be one upped, the "Good Morning America" and "Jimmy Kimmel Live's" Twitter accounts provided a second and third clue for the announcement.

Each picture displays piece of a logo and a close up of an Avenger's costume, with one for Iron Man, Hawkeye and Captain America so far. The announcement could tackle a number of topics, from the other unannounced characters who will appear in the film to Julie Deply and Linda Cardellini's roles to an announce about "Captain America: Civil War," which just started filming.

"Avengers: Age of Ultron" opens on May 1.

Big #Avengers announcement tmw on @GMA -- here's a clue for thepuzzle-inclined. #unscramblintime pic.twitter.com/jeaXFGBNfo

- Robert Downey Jr (@RobertDowneyJr) April 6, 2015

See if you can unscramble the below clue and tune in to @GMA tomorrow for an #Avengers announcement. pic.twitter.com/BN7TtFNOZl

- Good Morning America (@GMA) April 6, 2015

We're looking forward to hearing some special #Avengers news tomorrow on @GMA... pic.twitter.com/DfPUwYGGPm

- Jimmy Kimmel Live (@JimmyKimmelLive) April 6, 2015

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