Suggestions by @petergrayson

Emily Blunt

as Sue Storm in Black Panther 2

John Krasinski

as Reed Richards in Black Panther 2

David Tennant

as Reed Richards in Black Panther 2

Michael Rosenbaum

as Eobard Thawne in The Flash

Hugh Jackman

as Hunter Zolomon in The Flash

Lance Henriksen

as Gorilla Grodd in The Flash

Matt Damon

as Captain Cold in The Flash

Joel Edgerton

as Captain Boomerang in The Flash

Jim Parsons

as Solovar in The Flash

Kelly Rohrbach

as Patty Spivot in The Flash

J.K. Simmons

as Darryl Frye in The Flash

Jay Ali

as David Singh in The Flash

Tony Goldwyn

as Henry Allen in The Flash

Lana Condor

as Linda Park in The Flash

Zendaya

as Iris West in The Flash

Donald Glover

as Wally West in The Flash

Zac Efron

as Barry Allen in The Flash

Tom Holland

as Barry Allen in The Flash

Greta Gerwig

as Writer in Wonder Woman

Greta Gerwig

as Director in Wonder Woman