The Phase 5 Disney+ series from Marvel Studios, Secret Invasion, unfortunately debuts as the first crossover event to earn the dubious honor of being the least-favored show in the Marvel Cinematic Universe (MCU) since its conception.This unexpected turn of events has left fans and critics alike with mixed feelings about the latest addition to the expansive MCU portfolio. Secret Invasion is set to captivate audiences with its small screen premiere on Wednesday, June 21, 2023.The series, eagerly anticipated by MCU aficionados, is a thrilling espionage narrative, intricately weaving a story of an impending, high-stakes infiltration by the Skrulls. Crafted to keep viewers on the edge of their seats, the series promises high-intensity drama and unprecedented plot twists, despite the initial lukewarm reception.Whether the narrative will sway public opinion in its favor post its official airing remains to be seen. Nonetheless, the stage is set for Secret Invasion to unravel its mysterious and exhilarating tale.The disappointing debut of Disney+'s Secret Invasion on Rotten TomatoesThe underwhelming premiere: Secret Invasion finds little favor on Rotten Tomatoes (Image via Marvel Studios)In the wake of its initial previews, Secret Invasion has unfortunately clinched the title of the lowest-rated Disney+ series from Marvel Studios in the MCU, as per Rotten Tomatoes ratings.The series, led by the remarkable Samuel L. Jackson, currently holds a less-than-stellar Rotten Tomatoes score of 65%, derived from 25 reviews, at the time of writing this article. Prior to this, the lowest-ranked Marvel Studios series on Disney+ was 2022's She-Hulk: Attorney at Law.ScreenTime@screentime'Secret Invasion' debuts on Rotten Tomatoes with a 65% rating based on 25 reviews twitter.com/i/web/status/1…26925'Secret Invasion' debuts on Rotten Tomatoes with a 65% rating based on 25 reviews twitter.com/i/web/status/1… https://t.co/CCU1lsjMlJIt's crucial to remember that this score reflects critics' judgment of only the inaugural two episodes of the six-part season of Secret Invasion.To put things into perspective, here are the Rotten Tomatoes scores of previous MCU Disney+ series:WandaVision: 91%The Falcon and the Winter Soldier: 84%Loki: 92%What If...?: 94%Hawkeye: 92%Moon Knight: 86%Ms. Marvel: 98%She-Hulk: Attorney at Law: 80%Secret Invasion: 67%Keeping optimism alive for Secret InvasionHolding out hope: Despite initial setbacks, Secret Invasion could still win over audiences (Image via Marvel Studios)Given that the general public is yet to view Secret Invasion, the series' score could still fluctuate. The uncertainty lies in whether the ratings will rise or maintain their current trajectory, reflecting the critics' initial consensus.As for the seeming struggles of Secret Invasion, the initial critiques offer some clues, with reviewers criticizing its "slow burn" narrative style and sluggish pacing. One critique specifically expressed disappointment, labeling Secret Invasion as "lackluster," and far from the dark, tense spy thriller it was marketed as.Russ Milheim - The Direct@RussMilheim#SecretInvasion is a solid show so far.Its slow pace will turn off a lot of people, and it won’t do much to sway anyone on the fence about the project.However, it still has a strong cast, intriguing and organic MCU connections, and an interesting exploration of Nick Fury.114193#SecretInvasion is a solid show so far.Its slow pace will turn off a lot of people, and it won’t do much to sway anyone on the fence about the project.However, it still has a strong cast, intriguing and organic MCU connections, and an interesting exploration of Nick Fury. https://t.co/U6iV6Ola8XHowever, not all feedback is negative.For example, Discussing Film commended Samuel Jackson for delivering his "most layered and fun performance" as Nick Fury thus far, while Russ Milheim from The Direct highlighted the "intriguing and organic MCU connections" within Secret Invasion.Moreover, a slow beginning doesn't necessarily imply audiences will fail to resonate with the series, mainly once it picks up momentum. A parallel can be drawn with Lucasfilm's Andor, which debuted last year. Despite receiving similar criticisms initially, it is now regarded as one of the best Star Wars narratives on Disney+.Marvel Studios@MarvelStudiosSkrulls have secretly infiltrated our world (and likely your feed). Could you be one of them? this tweet and the cast of #SecretInvasion will analyze your Tweets to determine if they think you're a #Skrull or not.222381278Skrulls have secretly infiltrated our world (and likely your feed). Could you be one of them?💚 this tweet and the cast of #SecretInvasion will analyze your Tweets to determine if they think you're a #Skrull or not. https://t.co/Pf9uYJyvJ2Undeniably, the current score of Secret Invasion is a letdown. But the story has just started unfolding. The real question now is whether the series can engage fans in the coming weeks and turn its shaky debut into a triumph.Secret Invasion will unveil its first episode on Disney+ on Wednesday, June 21, 2023.