All through her stint starring at the cult-favorite sitcom "Neighborhood," Brown labored intently with Joe and Anthony Russo, who served as government manufacturers at the display earlier than incomes their superhero cred within the Wonder Cinematic Universe. Fellow solid participants like Danny Pudi and Jim Rash were in the past recruited by means of the Russos for cameo roles in Wonder motion pictures, and Brown -- additionally widely known for passionate movie and TV superfandom on social media and more than a few communicate presentations -- was once simply looking ahead to her personal invitation into the MCU.Because the Russos have been within the thick of filming "Avengers: Infinity Battle" and "Avengers: Endgame" back-to-back, Brown's name in spite of everything got here in October of 2017. "I used to be at the set of 'The Mayor' for ABC and I were given a textual content from Joe Russo," she recalled. "He stated, 'Hiya, what are you doing two weeks from now?' And I referred to as him -- I did not even textual content again. I referred to as him! 'Is it? Is that this it?' He stated, 'That is it. It is your flip. That is the decision.'Brown right away referred to as her TV collection' showrunner. "I used to be like, 'I want subsequent week off, as a result of I have were given to try this factor!' And fortuitously, as a result of Wonder may be below the Disney-ABC umbrella, they labored the whole thing out and I used to be ready to visit Atlanta for a few days and knock it out," she stated."I do not dream that gigantic," she confessed. "[But] after the Russos took over, I believed, 'There is a just right probability.' There may be numerous other folks on 'Neighborhood,' and there may be now not sufficient motion pictures for everyone to have a second, so I used to be so excited that I were given my probability."No longer handiest did she get her probability, she were given to percentage a scene with two of the unique Avengers, Iron Guy and Captain The united states, a.ok.a. Robert Downey. Jr. and Chris Evans. Enjoying a nice however sharp-radared executive employee who stocks an elevator with the 2 time-traveling heroes whilst they are disguised and infiltrating an army base in 1970, she suspects one thing could be amiss. Brown got here away inspired with the celebrities, when the cameras have been rolling and after they were not."I were given to look them out of doors in their superhero costumes," stated Brown. "They are actually great other folks. I have at all times idea it is nice in case you are proficient and you are wealthy and you are no matter, Captain The united states -- that is nice. How's your middle as a human being? The ones two males are beautiful human beings.""It is not simple being the individual that is available in for a couple of hours or at some point to do a scene when other folks had been in combination," added Brown, explaining that the tight-knit solid and group "welcomed me as though I used to be enjoying Queen Bee, the brand new crime fighter. So it was once actually beautiful."Brown left the set not sure if she was once going to look in "Infinity Battle" or "Endgame" as manufacturing at the two motion pictures had overlapped. She assumed she display up within the opening bankruptcy, however took it in stride when she did not make it on display screen. "I simply stated, 'Neatly, it was once great. It is the idea that counts.' And I forgot about it."Believe Brown's surprise a yr later, and just about two years since she initially shot her scenes, when she was once sitting in a film theater as an ordinary Wonder fan taking in "Endgame," which makes its debut on house video Tuesday. Round two hours into the movie, she nonetheless hadn't noticed herself. After which, a shot of the bunker the place her personality labored."I am sitting there with a gaggle of in my seat like 'That is going to be it. Oh my God, it is an elevator! It is me!' I am simply sitting there, biting the interior of my jaw. I used to be so freaking excited, I will't even let you know. So frigging excited! My buddies have been, too."In truth, her buddies had completely no concept Brown may display up on display screen till they noticed her along Downey and Evans. "I saved that secret for 2 years," she stated proudly. "That NDA was once iron-clad. I actually wanted my left foot, so I by no means informed any one."The one problem of the very welcome marvel? "I did not even come to the premiere," lamented Brown. "I did not know I used to be in it! I may just've come!"