While Supergirl is clearly replacing Superman in the story, the reason for the change is likely to do with the real-world production of The Flash. At the time that it was being made, Henry Cavill was seeming out of the DCU, meaning the movie would either need to recast the character or replace Superman entirely.
The film deals with an alternate timeline where Kal-El was killed before becoming Superman. Barry's search for the alternate version of his friend leads him to Kara. The plot essentially replaces Man of Steel's Superman with Supergirl rather than giving the character a more traditional Supergirl story.
By going back in time to save his mother, Barry Allen accidentally broke the universe and create a slightly different version of the world he knew. In this alternate DCEU timeline, Kara Zor-El was sent to Earth alongside Kal-El, although in different pods.
In The Flash, Supergirl – aka Kara Zor-El – is established in the past timeline as the Kryptonian on Earth in place of Superman. This is the 2013 alternate universe to which Ezra Miller's modern day Barry Allen travels back in time, as he learns to harness the power of the Speed Force.
Kara Zor-El, nicknamed Supergirl by Barry Allen, was the cousin of Kal-El who was sent to Earth after the destruction of Krypton, being captured and tortured in an old base in Siberia until being saved by Barry Allen, his alternate self and Batman.
Sasha Calle’s Supergirl Explained: Who is Kara in The Flash?
Why is Supergirl in The Flash and not Superman?
Although Supergirl has a fierce battle with Zod with the help of two Barry Allens and Michael Keaton's Batman, Superman is nowhere to be seen. Superman is absent not only due to Henry Cavill's departure, but also because the hero doesn't exist in the universe The Flash takes place.
It's clear she absorbs her solar powers even faster than Superman. Beyond that, Supergirl just doesn't hold back. Honestly, Superman is not as strong even when he doesn't hold back. In DC Comics' 2021 series Crime Syndicate, we see Earth-3 Kal-El become the evil Ultraman.
As a whole, no. For the majority of the series, Supergirl's setting is Earth-38. Meanwhile, most of the Arrowverse shows, such as The Flash, is on Earth-1, a completely different Earth, which means a completely different universe.
Why Henry Cavill's Superman Cameo Was Cut From The Flash. Henry Cavill's Superman cameo was cut from The Flash and replaced with a new ending because of the complications that otherwise would have been set up for the new DC Universe, as The Flash ending served as a soft reboot of the superhero movie universe.
The speedster introduces himself as Barry Allen, a.k.a. the Flash, a superhero from a parallel Earth, after Kara reveals herself as Supergirl, and Barry later learns her extraterrestrial origin.
The original, current, and most well known Supergirl is Kara Zor-El, the cousin of superhero Superman. The character made her first appearance in Action Comics #252 (May 1959) and was created by Otto Binder and Al Plastino.
Despite being more youthful in appearance than her cousin, Superman, Supergirl is actually older than him. Though it hasn't always been the case, most versions of the two have interpreted Kara as being chronologically older than Clark, while being biologically younger.
For all the faults of this year's The Flash movie, it did allow viewers to finally see Nicolas Cage as Superman — the iconic superhero role he was originally supposed to play in a '90s film that never got off the ground.
While Superman is one of the most powerful heroes in the DC Universe, enhanced to godlike levels by the Sun's radiation, The Flash's physics-defying powers are capable of killing him not by playing on his famous vulnerability to magic or his weakness to Kryptonite, but simply by hitting him so hard, even his ...
Technicalities aside, it's safe to say Supergirl first arrives on Earth as a teenager in both the Silver and Modern ages of comics - 15-16 years old to be exact.
The Flash season 9 episode 1 evoked the name of Cat Grant from Supergirl, confirming that both shows are still set on the same Earth. This paid off the promise of more crossovers in the shared Earth-Prime setting created by the Crisis on Infinite Earths event in 2020.
Beginning with 2012's Arrow, the universe introduced audiences to its own take on Oliver Queen, aka the Green Arrow. The success of Oliver's series also lead to one featuring Barry Allen with The Flash, with the two heroes becoming close allies.
Even so, taking both heroes at their maximum potential, it's practically a given that Superman would overpower Thor in terms of sheer physical strength. He may not consider himself a god, but the Last Son of Krypton can still outmatch the God of Thunder on his best day.
Even though Superman is often considered the most powerful character in the DC Universe, Shazam definitely comes close, and he can even beat the Man of Steel. And with a massive power upgrade, there's no question that Shazam can meet Superman blow for blow—despite the upgrade's terrible side effects.
The two heroes have raced several times since then, in the comics, cartoons and movies. As a general rule, the comics claim that The Flash is the faster hero, with Barry Allen, Wally West and even an octogenarian Jay Garrick having outrun Superman over the years.
During the Invasion Mon-El and Kara had an affair which led to Kara's pregnancy with Mon-El's child. Mon-El kept the child a secret from his mother. Rose was born on Earth during the invasion of the Daxamites. Her father was "forced" to marry Lena Luthor and his mother said that they will produce an heir.
