Casting sticks closely to source material and prior films with Ryan Reynolds and Hugh Jackman reprising their roles, Dafne Keen returning as X-23/Laura, and Emma Corrin as the comic-established female mutant Cassandra Nova; variants and cameos add visual diversity but serve fan-service multiverse gags without altering established characters or clashing with setting. Minor progressive-adjacent touches include the pre-existing lesbian couple Negasonic Teenage Warhead and Yukio from Deadpool 2, plus scattered jokes referencing cancel culture, feminism, and one gender-pronoun sensitivity nod that characters mock rather than endorse.

Creator statements and post-release reception emphasize raunchy humor lampooning Marvel/Disney and PC culture, with audience enthusiasm driving box-office success and progressive critics noting discomfort over the gay jokes and anti-woke barbs. These elements remain incidental subplots or punchlines, never foundational to premise, arcs, or emotional core.