[2][3] Brooks' first published work was in 10th Muse, written by Marv Wolfman for Image Comics, in which he penciled the Atlas back-up stories in 2001.

He then worked on Cable & Deadpool for two issues before moving on to illustrate the first arc of Amazing Fantasy (vol.2) featuring Anya Corazon.

[1] In 2016, Brooks gained critical acclaim and was nominated for the Eisner Award in two categories, best penciler/inker and best limited series, for his work in the Han Solo miniseries with writer Marjorie Liu, set between the original Star Wars film and The Empire Strikes Back.

[7] In 2017, Brooks was the main cover artist for the 12-issue Secret Empire crossover storyline written by Nick Spencer.

[citation needed] In 2022, Brooks was the main cover artist for the Judgment Day crossover event written by Kieron Gillen.