Died at 91
male
Matt Zimmerman
Groot
for Groot in The Marvel Universe (1960s)
Suggested by g_comicbookguy
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!]