Suggestions by @KingGameRuler

Nolan North

as Robert "Bob" Reynolds in My Marvel Universe: Heroes

JB Blanc

as John Walker in My Marvel Universe: Heroes

Clancy Brown

as Nick Fury Sr. in My Marvel Universe: Heroes

Nathan Fillion

as Simon Williams in My Marvel Universe: Heroes

Tony Todd

as Venom (villain) in My Marvel Universe: Spider-Man

Diedrich Bader

as Sergei Kravinoff in My Marvel Universe: Spider-Man

Brian Bloom

as Henry "Hank" Heywood in My DC Universe: Justice League

Aaron Dismuke

as Ryan Kendall in My DC Universe: Justice League

Aaron Dismuke

as Ryan Kendall in My DC Universe: Justice League

Jason Marnocha

as Ethan Avery in My DC Universe: Justice League

Christopher Bevins

as Roy Lincoln in My DC Universe: Justice League

Justin Cook

as Raymond "Ray" Terrill in My DC Universe: Justice League

Hope Levy

as Stormy Knight in My DC Universe: Justice League

Pat Carroll

as Blanche Sitznski in My Marvel Universe: Villains

Jason Isaacs

as Ra's Al Ghul in My DC Universe: Batman

Christopher Lee

as Hugo Strange in My DC Universe: Batman

Bruce Campbell

as Quentin Beck in My Marvel Universe: Spider-Man

Johnathan Banks

as Silvio Manfredi in My Marvel Universe: Spider-Man

Andy Samberg

as Ben Reilly in My Marvel Universe: Spider-Man

Tara Platt

as Yuriko "Yuri" Watanabe in My Marvel Universe: Spider-Man