Jason Aaron (born January 28, 1973) is an American comic book writer, known for his creator-owned series Scalped and Southern Bastards, as well as his work on Marvel series Ghost Rider, Wolverine, PunisherMAX, Thor, and The Avengers.

In 2019 he wrote the eponymous central miniseries of the Marvel company-wide crossover storyline "The War of the Realms".

The film Thor: Love and Thunder was based and influenced by his work on Thor.

As part of his Marvel work, he co-created the character Gorr the God Butcher and introduced the concept of Jane Foster becoming Thor.

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