Robert Downey Jr distributes gifts to his fans, the casting of Avengers Endgame on the occasion of his 54th birthday

Actor Robert Downey Jr. celebrated Thursday his 54th birthday and, for the pleasure of the fans, shared a behind-the-scenes image of Tony Stark and Peter Parker, who will appear in Avengers: Endgame . April 26th. In a sequel, RDJ went on Twitter and posted a crossword game, calling it a "birthday present from me to you all".

Actor fans began to fill the puzzle, each in turn. version, while his co-star of Avengers, Mark Ruffalo, also strove to complete it. Scroll down to see some of the fans react to the RDJ puzzle:

ROBERT I TRIED pic.twitter.com/SGhT9p4CVK

– a day to my daddy rdj (@woIvern) from April 4, 2019

<! –

->

did it baby !! I hope you'll have a fabulous day, all my love @RobertDowneyJr pic.twitter.com/8JdtGU1OGh

– gibsy (@maevegibs) on April 4, 2019

So easy ] pic.twitter.com/4hwLg9ECh7

– Rene Antunes (@reneantunes) April 4, 2019

and the and the pic.twitter.com/549M8X7Y0s

– (@ohhibby) April 4, 2019

For lack of effort, Mark, who plays the role of Hulk in the superhero film franchise, completes his name in four on all the boxes and thanks RDJ for keeping it in mind while inventing this mysterious puzzle.

Mark wrote next to the tweet: "More thanks for including me in your puzzle bday, @robertdowneyjr."

Thank you for including me in your puzzle bday, @robertdowneyjr pic.twitter.com/ dXJdfCLJTH

– Mark Ruffalo (@MarkRuffalo) April 4, 2019 [19659013] RDJ also shared an Avengers fan art on his Instagram account. The picture shows almost all MCU superheroes in capital letters, with Iron Man in the center. He subtitled his message, "Thank you for the greeting #bossdaybeverday @bosslogic … #celebrate #goodtimes #MCU."

The special day of RDJ, his superhero team wanted the actor. Tessa Thompson and Chris Hemsworth posted an adorable video message for him, while Captain America, Chris Evans, shared a fond message with Twitter.

Happy Birthday to the man, the myth, the incomparable, the indomitable, @ RobertDowneyJr

You are a real original. Thank you for wearing us these last 10 years !!!! 1945

– Chris Evans (@ChrisEvans) April 4, 2019

The actor Jeremy Renner also wrote a sincere birthday wish for RDJ. "HAPPY BIRTHDAY to my brother's arms!", Read his tweet.

HAPPY BIRTHDAY to my brother's arms! @robertdowneyjr #avengersendgame #presstour #cutomorrow https://t.co/hUrt5EJn3k[19459006(JeremyRenner(@Renner4Real)le4avril2019)19659027] Although Gwyneth Paltrow and Tom Holland also shared their admiration for the RDJ in separate Instagram posts.

RDJ's Avengers: Endgame will be released April 26 around the world.

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