Suggestions by @fionnoconnor402

Avengers: Age of Ultron (2015)

as Influences in Justice League: Project O.M.A.C. (2007)

Matthew Vaughn

as Director in Justice League: Project O.M.A.C. (2007)

Green Lantern: First Flight

as Influences in Green Lantern (2000)

Aasif Mandvi

as David Singh in The Flash (2000)

The Flash (CW)

as Influences in The Flash (2000)

Wonder Woman (1975 Series)

as Influences in Wonder Woman: Goddess of War (1998)

Batman Begins (2005 Film)

as Influences in The Batman: Phobia (1997)

Men in Black

as Influences in Green Lantern (1999)

Graeme Revell

as Composer in Green Lantern (1999)

Tommy Lister Jr.

as Kilowog in Green Lantern (1999)

Linus Roache

as Thaal Sinestro in Green Lantern (1999)

Judd Nelson

as John Economos in Suicide Squad (2006)

Spoiler

as "The Galactic Warlord" in Suicide Squad (2006)

Warner Bros. Pictures

as Production Company in Suicide Squad (2006)

John Murphy

as Composer in Suicide Squad (2006)

Udo Kier

as Clifford DeVoe in Suicide Squad (2006)

Sean Gunn

as Victor Zsasz in Suicide Squad (2006)

Alfre Woodard

as Amanda Waller in Suicide Squad (2006)

Linden Ashby

as Rick Flag in Suicide Squad (2006)

Sophia Myles

as The Enchantress in Suicide Squad (2006)