Robert Downey Jr. Birthday

Robert Downey Jr. Gives Avengers Fans a Puzzle to Solve as a Return Gift on His Birthday

The internet was flooded with birthday posts for Robert Downey Jr. yesterday from his co-stars and fans alike. RDJ has played Tony Stark aka. Iron Man for all these years in the Marvel Cinematic Universe and he was the first stone in the making of this big mansion which Marvel has created in all these years. And he, as a…