When did black widow first appear in mcu?
singleAnswer
April 1964
MCU
mcu
Marvel Cinematic Universe Microcontroller Multipoint control unit List of Marvel Cinematic Universe films MCU MCU Park List of Marvel Cinematic Universe television series Marvel Cinematic Universe: Phase Four Mitochondrial calcium uniporter The Eternals (film)
The <b>Marvel Cinematic Universe</b> (<b>MCU</b>) is an American media franchise and 
shared universe centered on a series of superhero films, independently 
produced by&nbsp;... A microcontroller (<b>MCU</b> for microcontroller unit) is a small computer on a single 
metal-oxide-semiconductor (MOS) integrated circuit chip. In modern terminology
&nbsp;... A <b>multipoint control unit</b> (<b>MCU</b>) is a device commonly used to bridge 
videoconferencing connections. The <b>multipoint control unit</b> is an endpoint on the 
LAN that&nbsp;... The <b>Marvel Cinematic Universe</b> (<b>MCU</b>) films are a series of American superhero 
films produced by Marvel Studios based on characters that appear in&nbsp;... <b>MCU</b> may refer to: Contents. 1 Arts and entertainment; 2 Science and technology. 
2.1 Computing; 2.2 Other uses in science and technology. 3 Organizations. <b>MCU</b> Park (formerly KeySpan Park) is a minor league baseball stadium on the 
Riegelmann Boardwalk in Coney Island, Brooklyn, New York City. The home&nbsp;... The Marvel Cinematic Universe (<b>MCU</b>) television series are American superhero 
television shows based on characters that appear in publications by Marvel&nbsp;... Feige was not sure if Marvel would continue to group the films of the <b>MCU</b> into 
phases once Phase Three concluded in 2019, saying that &quot;it might be a new 
thing&quot;,&nbsp;... The <b>mitochondrial calcium uniporter</b> (<b>MCU</b>) is a transmembrane protein that 
allows the passage of calcium ions from a cell&#39;s cytosol into mitochondria. Its 
activity&nbsp;... Chan previously portrayed Minn-Erva in the <b>MCU</b> film Captain Marvel (2019). 
Kumail Nanjiani as Kingo: An Eternal who is cosmic-powered.
April 1964
Black Widow (Natasha Romanova)