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Summary
Throughout theMCU , while major conflict , deaths , and role introductions have work the flight of item-by-item stories and larger discharge , smaller coincidences and character choices have also had substantial impacts onthe MCU timeline . Some of the most pregnant , specify moments throughout the dealership stemmed from a seemingly inconsequential event forever reshaping the MCU . In fact , shows likeWhat If … ?suggest just how massive these small changes can be , throwing into sharp relief that the minor detail throughout Marvel ’s motion-picture show and television receiver shows are not only critical , but also worth pay up care to .
Because the MCU has so consistently go through ensembles into their subject matter , particularly in the films , the variables impacting the event in the MCU are innumerable and can often chair to a sort of butterfly stroke effect . IneveryAvengersmovie , for deterrent example , each character has the potential to create ripple effects that will change not only the final result of that film ’s story but also the future of the larger MCU , for better or bad . This makes even the most ostensibly trivial bit vital , and these 10 events , some comically pocket-size , demonstrate just how major those tiny shift can really be .
Between Marvel Studios and Sony Pictures Entertainment , here is every upcoming Marvel movie release date and what we know about the projects so far .

10A Rat Stepping On A Button Helped Defeat Thanos
Avengers: Endgame(2019)
InAvengers : Endgame , Scott Lang - who has been stick inthe MCU ’s Quantum Realmsince the events ofAnt - Man and the Wasp(2018 ) - only returns because a rat inside Luis ' new wave , which contains the Quantum Realm connection Scott uses , step on a clitoris , finally bring Scott back after being trammel for five years . This one short bum set in motility the issue ofAvengers : Endgameand allows the Avengers to identify a way forrader : time change of location . With the insights Scott has from his prison term in the Quantum Realm , along with meaning scientific help from Tony Stark , the squad found a plan to gather the Infinity Stones , undo the Snap , and vote out Thanos .
9One Phone Call Made Doctor Strange
Doctor Strange(2016)
InDoctor Strange , Stephen Strange ’s living is changed forever when he accepts a phone call while driving , contributing to the wreck that ultimately severely damages his hands and efficaciously ruins his career as a operating surgeon . In the wake of the crash , Dr. Strange becomes heroic to undo his injuries and restore his vocation , which leads to him finding the Sorcerer Supreme and recrudesce his powers , thereby creating Dr. Strange of the Avengers . Without that wreck , Dr. Strange would have continue an egotistical surgeon and would not have become the powerful superhero who saves the earth innumerous times , though perhaps most notably inAvengers : Infinity WarandAvengers : Endgame .
8Yondu Keeps Quill With The Ravagers
Guardians of the Galaxy(2014)
When Yondu is hired by the god Ego to snatch his son , young Peter Quill , from Earth , he does , but he can not see the rest of the architectural plan through . Rather than bring Peter to Ego , Yondu raises Peter , albeit with some confutative methods . What If … ?season 2 addressed what a massive wallop this had ; in the 2d episode , style " What If … Peter Quill Attacked Earth ’s Mightiest Heroes , " Peter is bring to Ego by Yondu , and he becomes a weapon for his Father-God . This glimpse into what could have been shows how pregnant Yondu ’s choice was ; he gave the MCU a hero when it could have had another major threat .
7The Hulk Is Forced to Take the Stairs
The Avengers(2012)
InThe Avengers(2012 ) , The Hulk is force by the Avengers to take the stair , which beam him into a furor . This seems like just an inconsequent comedic moment , but this small contingent direct to Loki becoming The God of Stories in theLokiseries . InAvengers : Endgame , Tony Stark , Ant - Man , and Captain America revisit this minute in clock time to roll up the Tesseract , which contains the Space Stone . When Hulk emerges from the stairway , he burst through the door , rap over Tony Stark from the future in the process . This send the briefcase arrest the Tesseract flying out of Tony ’s hand , and the Tesseract nation at Loki ’s foot .
6Carol Danvers Won the Race to the Hangar
Captain Marvel(2019)
InCaptain Marvel , Carol Danvers is in the Air Force before she becomes a superhero , working under Dr. Wendy Lawson , a.k.a . Mar - Vell . She and her best friend , Maria Rambeau , step on it one another to meet Dr. Lawson at the Air Force repair shed , which ultimately changes Carol ’s fate and the fate of the MCU.Because Carol beats Maria to the hangar , she is the one who joins Dr. Lawson , which lead to Carol being present when Dr. Lawson is killed , plunge the power of the Space Stone , and becoming Captain Marvel . Doctor Strange in the Multiverse of Madnessseems to nod to this by take Maria Rambeau as Captain Marvel on Earth-838 , suggest she won the subspecies instead in the alternate timeline .
5Kamala Opens a Box from her Nani
Ms. Marvel(2022)
InMs . Marvel , Kamala Khan find her powers by slipping on a bangle that turns out to be a Quantum Band , but she only find the aim by open a package from her gran . By making the bracelet a part of her costume that she is wearing to a superhero pattern , she inadvertently kick - starts her powers , ultimately becoming Ms. Marvel . Had her Nani not transport her the bracelet , or had Kamala not celebrate it and tried it on , Kamala would not have unlocked her big businessman . WithThe Marvels’mid - credits sceneconfirming the first three Young Avengers members , this second will become even more important as the MCU goes on .
4Thanos Spots Young Gamora
Avengers: Infinity War(2018)
When Thanos and his army arrive on Zen - Whoberi to execute half the population , young Gamora and her female parent hide , only to be light upon and pull aside . It ’s then that Gamora begins yelling and attacking some of Thanos ' army , which catches Thanos ' attention . This small moment , where Thanos see Gamora among the chaotic masses , change the MCU irrevocably . Because Thanos saw something limited in Gamora , he took her in as a daughter , making her into a deadly bravo . In gain to this , though , Gamora becomes the one somebody that Thanos have it away , earmark him to stamp out her and get the Soul Stone .
With the Soul Stone , Thanos is at long last able to complete his Infinity Gauntlet and carry out the Snap , eliminating trillions . It ’s ill-defined whether Thanos had anyone else he loved who would have enable him to get the Soul Stone on Vormir ; it does n’t seem those sentiments carry over to other Children of Thanos , particularly Nebula . Meeting Gamora may therefore have been key to his plan;had Thanos ' life contained no roll in the hay one , his programme would have halted there . This means that not only does the moment Thanos foregather Gamora have implications forThe Guardians of the Galaxy , but also that Thanos view her at this moment cements the succeeding Blip .
3Scott Lang Gets Fired from Baskin-Robbins
Ant-Man(2015)
One of the funniest small MCU moments with a massive shock is Scott Lang getting give notice from Baskin - Robbins in the firstAnt - Manmovie . Scott is attempt to find work , in part because he ’s behind on kid support and ca n’t see his girl , Cassie . When this brief least sandpiper at Baskin - Robbins does n’t work out , he turns to a quicker elbow room to get money : thieving . This in the end lead him to Hank Pym ’s house , where his path to becoming Ant - Man begins . Given that , it ’s fair to say that , had Scott never been fire from Baskin - Robbins , he may never have become Ant - Man . This would have had monumental conditional relation forAvengers : Endgame , as well .
2Steve Rogers Was Too Short and Skinny for the Military
Captain America: The First Avenger(2011)
InCaptain America : The First Avenger , Steve Rogers is desperate to join honorable acquaintance Bucky Barnes and campaign in the war , but he ’s not big enough . At the beginning of the flick , Steve is just 5'4 " and around 90 lbs . Because of that , he was view as unfit to fight , broadcast him down the path of want to become a super soldier , which ultimately creates Captain America . Not only would the world never have had Captain America , but also the many effect throughout the MCU that Captain America flirt a major purpose in would have fiddle out differently — all because Steve was at first too brusque and lightweight to sign up to campaign .
1Tony Stark Gets Hit with Shrapnel
Iron Man(2008)
InIron Man , before Tony Stark has any powers , he visits a warfare zone in Afghanistan and is seriously spite and taken captive during an attack . Part of his injury involves shrapnel , which endanger to get to his heart and kill him . To preclude that , Tony creates the electric arc nuclear reactor that not only protects against the shrapnel but also offers a massive superpower seed for his Iron Man lawsuit . This initial incident set in motion the path to Tony Stark becoming Iron Man . make how critical Iron Man is to the Avengers squad , particularly duringAvengers : Infinity WarandAvengers : Endgame , this bit of shrapnel represents a massive shift in theMCU .










