William Alexander "Bud" Abbott was an American actor, producer and comedian. He is best remembered as the straight man of the comedy team Abbott and Costello, with Lou Costello.
What if the MCU first appeared in the late 1950s and into the 1960s? The films would stay the same but would start in 1958 rather than 2008. [It also doesn't matter when these actual characters were created, just go for it!]