New speculation around the Super Mario Galaxy Movie has emerged after a UK cinema chain briefly published promotional material that hinted at an unannounced character appearing in the film.

Eurogamer reported that the listing, which was visible for a short period before being removed, contained imagery and credits that fans interpreted as indicating a surprise cameo. The material prompted discussion across social platforms and fan communities, with screenshots circulating before the page disappeared.

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The Super Mario Galaxy Movie remains a matter of months from release, with Nintendo and Illumination yet to confirm any additional cast members beyond previously announced roles. The recent slip‑up by the cinema chain has done little to quiet long‑running speculation that the film will include nods and cameos for longstanding series characters, a tactic familiar to Mario adaptations.

Official details are expected in the lead‑up to release, but the brief posting underlines how rapidly small leaks or listing errors can reignite interest and theorycrafting among the franchise’s fanbase.

Eurogamer is the source of the original report on the incident.