(I don't own the rights to any of these characters I'm just a fan making a story, I will be using characters and things from other comic book franchise like Marvel comics, Image comics, WildStorm comics and The Boys as well as I may use the names of characters, backstories and things within this story)
Earth 10: Miracleman's Origins
Within many universes there is a world that was known as Krypton which was the home world for a technology advance race called the Kryptonian and that technically true in this universe as well however within in this universe Krypton has a different name which is Yttrium and Kryptonian's are called Yttriumite's. However one day Yttrium was attack by the Warzoons from Warworld was a mobile planetoid that was ruled by Tartarus who was a hybrid, half Warzoon and half New God as his father was the evil New God Darkseid the ruler of Apokolips and even though the Yttriumite's had advance technology they still lost however before their world was destroyed many Yttriumite's managed to escape and one of them was a Yttriumite soldier Maj-Ar who's ship was knock off course when Yttrium exploded causing him to be sent to a different world from the rest of his race and the world he landed was Earth.
When Maj-Ar spaceship reach Earth it landed in the United States of America near a seacoast town, immediately Maj-Ar took his ship and left the area before anyone could discover him and he used the computer systems within his ship to forge himself a fake identity and gave himself the Human name Matthew Anderson and afterwards Maj-Ar travel all across Earth learning everything he could and eventually he moved to the big city known as Cosmopolis and it was there where Maj-Ar became the superhero known as 'Miracleman' because of the symbol on Maj-Ar Miracleman costume which was actually Yttriumite armor and it also had the symbol for the 'House of Ar' on the chest which looked like two 'M' inside a circle however on Krypton it wasn't a 'M' instead it is the Yttriumite symbol for peace.
Not to long after Maj-Ar met other people who also possesses super powers similar to his own like Thor who was an Asgardian and the God of Thunder, Gregory Stark who was known as Iron Man, Isaiah Bradley who was known as Captain America, Glenn Talbot who was known as the Hulk, a alien from the race known as the Kree who's name was Mar-Vell and he was known as Captain Marvel, Miles Morales who was known as Spider-Man, Shuri who was known as Black Panther, Buck Chisholm who was known as Hawkeye, Ava Orlova who was known as Black Widow and many other superheroes and together they became known to the world as 'The Ultimates'.
Miracleman is originally from British Golden Age comic book and was called Marvelman until they changed it to Miracleman
In the DC Comic 'Superman: The Coming of the Superman' Maj-Ar is one of three Kryptonian's that came to Earth each wearing a Superman costume
Yes this Universe is basically the Marvel Ultimate Universe although it will have elements from Marvel Universes
In Marvel Comics Gregory Stark is the older twin brother of Tony Stark in the Ultimate Universe
In Marvel Comics Isaiah Bradley was the first Black Captain America
In Marvel Comics Mar-Vell was the first Captain Marvel
In Marvel Comics Miles Morales was from the Ultimate Universe and took up the name of Spider-Man after world's Peter Parker died however this version of Miles didn't just take up the mantle of Spider-Man within this universe but he was the one who created it
In Marvel Comics Shuri is younger sister of T'Challa the Black Panther
In Marvel Comics Buck Chisholm is another archer known as Trick Shot
In Marvel Comics Ava Orlova was known as Red Widow