19 Jun 2026 T−7
Social reactions praised Alcock, Momoa and Corenswet's cameo, but several called the film "just fine" or bland, and many compared it to Guardians of the Galaxy and Mad Max.
GLOBALReported
Fan / organic
20 Jun 2026 T−6
The press-tour pop-up recreated Kara's bedroom, her ship, an intergalactic bus stop and a space bar, fitted out with Samsung TVs and audio.
UKConfirmed
Samsung · Phonica Records
22 Jun 2026 T−4
Deadline reported the shield marking planes on the airline's flight tracker across 1,475 aircraft, a Supergirl and DC channel on board, lounge mocktails and AAdvantage perks.
GLOBALReported
American Airlines · Platform subversion
22 Jun 2026 T−4
Gotta Need Milk put Supergirl on 17M cartons and bottles in more than 2,700 stores. Synergy Kombucha ran co-branded bottles and murals in SoHo, Brooklyn and at NYU. Cold Stone Creamery and Pinkberry sold themed desserts.
USReported
Gotta Need Milk · Synergy Kombucha · Cold Stone Creamery · Pinkberry
22 Jun 2026 T−4
Deadline reported the biggest promotional partner campaign for any Warner Bros. DC film. 65 partners were international, and Samsung, OPI, American Airlines and Timex had global reach. Timex, Samsung, American Airlines and Milk-Bone returned from Superman.
GLOBALReported
KFC · Samsung · OPI · American Airlines · Timex · Milk-Bone · Waymo · Ulta Beauty
22 Jun 2026 T−4
Milk-Bone made Krypto treats, appears in the film, and hosted a rooftop dog screening in New York. Best Friends Animal Society ran PSAs, Pumpkin Insurance promoted in 800 vet clinics, and Stanley Steemer sold a pet-cleaning package after the teaser showed Krypto peeing.
USReported
Milk-Bone · Best Friends Animal Society · Pumpkin Insurance · Stanley Steemer · Plot integration
22 Jun 2026 T−4
Timex made a special-edition watch with a pop-art Debbie Harry dial, Blondie's logo and the Supergirl emblem. Deadline said it was promoted in 42 markets and tied to Kara being a Blondie fan.
GLOBALConfirmed
Timex · Blondie · Scarcity & collectibles
Date is Deadline's report; Timex's page carries no date.
22 Jun 2026 T−4
Alcock, Corenswet, Rachel Brosnahan, Nicholas Hoult and Gunn walked the carpet. Warner Bros. streamed it on YouTube. Deadline reported that Waymo sponsored the premiere and ran Supergirl-wrapped cars in its top three markets.
USConfirmed
Waymo · Milly Alcock · David Corenswet · James Gunn
23 Jun 2026 T−3
Samsung added 15 DC artworks to its Art Store until March 2027. In more than 600 Best Buy stores, Supergirl content on Micro RGB TVs hid a riddle that unlocked extra sweepstakes entries, from 22 June to 19 July.
USUKGLOBALConfirmed
Samsung · Best Buy · Physical-to-digital · Mystery & easter egg
24 Jun 2026 T−2
Two days out, Deadline said presales pointed to an opening in the upper $40Ms at 3,600 theaters, down from $55M+ tracking, with first choice low across all audiences. Reviews published the same day.
USReported
Fan / organic
26 Jun 2026 T0
Epic revealed a Supergirl outfit with Alcock's likeness, a trench coat style and a cape, in the Item Shop from 26 June. A second video showed Alcock reacting to her character model.
GLOBALReported
Epic Games · Milly Alcock
Reported by a tech outlet; the desk has not opened Epic's own posts. A free-skin Supergirl Cup tournament is described only by gaming guides.
26 Jun 2026 T0
The soundtrack album went out digitally on opening day.
GLOBALReported
WaterTower Music
28 Jun 2026 T+2
The film opened to an estimated $38M domestic and $68M worldwide, with $30M from 77 markets and no market at No. 1. Previews were $7.8M. Premium screens were the one bright spot, with 51% of the gross from IMAX and PLF.
USGLOBALReported
IMAX
28 Jun 2026 T+2
DC Studios co-CEO Peter Safran told The New York Times the film was one part of a long-term strategy the studio remained confident in.
USReported
Peter Safran
29 Jun 2026 T+3
Monday actuals were $37.1M domestic and $62.6M worldwide. Variety cited $170M production and about $120M marketing. Deadline put breakeven near $315M and the loss at $125M. RelishMix measured pre-release social reach at 639M, against 953.8M for Superman.
USGLOBALReported
Fan / organic
30 Jun 2026 T+4
Opening crowds were 59% male and 65% over 25. Deadline said women under 25 were 15%. CinemaScore was B- and PostTrak definite recommend 52%, with women at 62%.
USReported
Fan / organic