Mark Millar has worked on Civil War.
`` Civil War '' is a 2006 -- 07 Marvel Comics crossover storyline consisting of a seven-issue limited series of the same name written by Mark Millar and penciled by Steve McNiven , and various other tie-in books published by Marvel at the time . Mark Millar ( born 24 December 1969 ) is a Scottish comic book writer , known for his work on The Authority , The Ultimates , Marvel Knights Spider-Man , Ultimate Fantastic Four , Civil War , The Secret Service , Wanted , Chrononauts , Superior and Kick-Ass , the latter six of which have been , or will be , adapted into feature films .