Suggestions by @superspider

Clark Gregg

as Phil Coulson in Avengers Assemble (2012) If Marvel had all the rights

Emma Stone

as Gwen Stacy in Avengers Assemble (2012) If Marvel had all the rights

Jon Hamm

as Doctor Doom/Victor Von Doom in Avengers Assemble (2012) If Marvel had all the rights

Charlie Cox

as Daredevil/Matt Murdock in Avengers Assemble (2012) If Marvel had all the rights

Zac Efron

as Human Torch/Johnny Storm in Avengers Assemble (2012) If Marvel had all the rights

John Cena

as The Thing/Ben Grimm in Avengers Assemble (2012) If Marvel had all the rights

Emily VanCamp

as Invisible Woman/Sue Storm in Avengers Assemble (2012) If Marvel had all the rights

John Krasinski

as Mister Fantastic/Reed Richards in Avengers Assemble (2012) If Marvel had all the rights

Mark Ruffalo

as Hulk/Bruce Banner in Avengers Assemble (2012) If Marvel had all the rights

Hugh Jackman

as Wolverine/James "Logan" Howlett in Avengers Assemble (2012) If Marvel had all the rights

Andrew Garfield

as Spider-Man/Peter Parker in Avengers Assemble (2012) If Marvel had all the rights

Charlie Cox

as Daredevil/Matt Murdock in MCU If Marvel had all the rights

Robert Downey Jr.

as Iron Man/Tony Stark in MCU If Marvel had all the rights

Chadwick Boseman

as Black Panther/T'Challa in MCU If Marvel had all the rights

Zac Efron

as Human Torch/Johnny Storm in MCU If Marvel had all the rights

Sally Field

as Aunt May in Spider-Man: Birth Of Venom (2013) If Marvel had all the rights

J.K. Simmons

as J. Jonah Jameson in Spider-Man: Birth Of Venom (2013) If Marvel had all the rights

Keith David

as Robbie Robertson in Spider-Man: Birth Of Venom (2013) If Marvel had all the rights

Zooey Deschanel

as Betty Brant in Spider-Man: Birth Of Venom (2013) If Marvel had all the rights

Matt Damon

as Sin-Eater/Stan Carter in Spider-Man: Birth Of Venom (2013) If Marvel had all the rights