Steve Rogers as Captain America is another superhero that quickly pops into the minds of fans when they hear the Marvel brand name.
The Hulk is a classic flagship hero of Marvel's comics, and if the reports are accurate, it appears he's finally getting another solo project in the MCU.
Merck with a Mouth went mainstream with Ryan Reynolds' portrayal in the movies, but he's been a fan-favorite in comic book circles before.
In addition to being essentially the poster boy for the X-Men, Wolverine has a longstanding reputation at Marvel overall.
Thor was also a founding member of the Avengers in the comics, but he has become a character known to undergo remarkable development.
Nick Fury was the in-universe architect for founding the MCU's Avengers, but Robert Downey Jr.'s take on Iron Man was the spark that inspired inspiration.