Comics › Immoral X-Men #1 Mark Brooks Variant Image 1 of 1 Immoral X-Men #1 Mark Brooks Variant $10.99 The first issue of Kieron Gillen and Paco Medina's Immoral X-Men (Marvel, 2023), a Sins of Sinister title. This copy is the Mark Brooks Variant. Add To Cart Added! The first issue of Kieron Gillen and Paco Medina's Immoral X-Men (Marvel, 2023), a Sins of Sinister title. This copy is the Mark Brooks Variant.