1. Scarlet Witch and Quicksilver
Wanda and Pietro Maximoff are one of the most famous twins in the Marvel Cinematic Universe.
Scarlet Witch and Quicksilver in the comics are Magneto’s children and have even greater power than the movie version.
2. James Howlett and Victor Creed
When X-Men Origins: Wolverine was released in 2009, fans expressed disappointment with the appearance of some characters in the film, especially Wade Wilson (Deadpool).
The two brothers both possess a type of superpower.
3. Susan Storm and Johnny Storm
Unlike the above siblings, Susan Storm and Johnny Storm never really faced each other.
Both Susan and Johnny appeared in the first volume of the 1961 Fantastic Four series written by legends Stan Lee and Jack Kirby.
Since gaining super powers, the two have together faced many enemies to protect the earth and the universe, including Galactus.
4. Cain Marko and Charles Xavier
Charles Xavier has a twin brother with a complicated origin and parasitism in other living things, Cassandra Nova.
Unlike Charles, Cain is a completely normal person and has no superpowers until he meets the Crimson Gem of Cyttorak.
Meanwhile, Professor Xavier is one of the most powerful mutants on earth with the ability to control minds, manipulate other people’s memories and many other telepathic powers.
5. Thor and Loki
The antagonism and battles between the two make Thor and Loki the most famous brothers in the Marvel universe.
Loki is the son of Laufey, king of the Frost Giants, who was brought to Asgard by Odin when he was a child.
Loki has always been at odds with his older brother from when he was a child until they both became adults.