Casting adheres faithfully to the source material, featuring a predominantly white male lineup (Iron Man, Captain America, Thor, Hulk, Hawkeye) alongside two prominent white female characters (Black Widow and Maria Hill), resulting in organic but limited gender diversity that drew retrospective criticism from feminists for the 5:1 male-to-female ratio and Black Widow's sexualization rather than praise for forced inclusion. Themes emphasize universal entertainment values like unity, sacrifice, and combating existential danger, devoid of identity politics, systemic critiques, or social justice lectures—no race-swapping, DEI mandates, or lectures on patriarchy.

Joss Whedon's known liberal and feminist leanings are present in subtle character strengths for women but do not dominate or alter the narrative, as evidenced by a cut scene injecting overt liberal politics into Captain America. Reception was overwhelmingly positive as a blockbuster pinnacle, often nostalgically contrasted against later 'woke' MCU entries, with no significant backlash labeling it progressive overreach; instead, progressives critiqued its lack of racial diversity and Bechdel test shortcomings. This purity of escapist storytelling without ideological overlay makes it a refreshing exemplar of pre-woke Hollywood entertainment.