Marvel theater ad for Avengers: Doomsday tells moviegoers to silence phones in the cinema

• The promo is tied to Avengers: Doomsday and reportedly features a large Marvel ensemble cast, including Avengers, New Avengers, X-Men, and Fantastic Four characters.
• According to IGN, the ad is running with Avengers: Endgame Encore; an embedded tweet says one viewer saw the spot right before that screening.

What happened

IGN writes that Marvel has released a new theater ad focused entirely on cinema etiquette: turning phones off or putting them on silent. According to the article, the spot is built around the cast of Avengers: Doomsday and uses several well-known Marvel characters to deliver that message. In the description, IGN mentions Yelena, Gambit, Shuri, Shang-Chi, Cyclops, Mr. Fantastic, Sue Storm, and Thor as part of the ensemble setup. That positions the ad as a notable cross-franchise promo, although the source does not say this is a full, officially released cast list.

The publication also says the promo started running in cinemas this week alongside Avengers: Endgame Encore. The source additionally includes an embedded post from TheMaddox08, which says the new Avengers: Doomsday “silence your phones” ad was shown immediately before an Encore screening. That post is dated September 24, 2026, and serves in the article as extra confirmation that the spot has appeared in at least one cinema showing.

IGN’s description points to a broad selection of characters from different Marvel corners, including Avengers, New Avengers, X-Men, and Fantastic Four roles. The source therefore presents it as an ensemble ad, but does not confirm that Marvel or Disney has officially released the full distribution details. It also remains unclear whether the rollout is nationwide or limited to selected theaters, since the available sources only refer to one observed screening and an ongoing cinema placement alongside Endgame Encore.

Background

The ad ties into Avengers: Doomsday, the next major Marvel film that, according to the source, brings several familiar characters together. IGN mentions Avengers, New Avengers, X-Men, and Fantastic Four roles in the spot, with names like Yelena, Gambit, Shuri, Shang-Chi, Cyclops, Mr. Fantastic, Sue Storm, and Thor. The setup fits an ensemble campaign that brings different parts of the Marvel universe together in one short cinema spot.

The available sources do confirm that the spot has appeared in at least some cinemas, but not whether the rollout is nationwide or limited to selected theaters. There is also no official statement from Marvel or Disney in the provided material about the campaign. As a result, the exact distribution remains unclear, as does whether the characters shown represent the full ad or only a selection from a longer cut.

The link to Avengers: Endgame Encore matters because IGN explicitly says the promo is running alongside that release this week. The embedded tweet from TheMaddox08 supports that with a specific sighting of a “silence your phones” spot right before an Encore screening. That makes it clear the ad is not just an online description, but something that has been seen in an actual cinema context. At the same time, that single sighting says nothing about scale, frequency, or geographic spread.

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Sources

• IGN: Marvel Launches Star-Studded 'Turn Off Your Phones' Theater Ad Featuring Your Favorite Avengers and X-Men
• Tweet by @TheMaddox08 about the Avengers: Doomsday ad before Avengers: Endgame Encore