[8][9] At age 16, while still in high school, Madureira started at Marvel Comics as an intern,[10] working under editor Danny Fingeroth.

[3] He canceled Battle Chasers #10, and placed the series on indefinite hiatus after forming a game development company called Tri-Lunar with Tim Donley and Greg Peterson.

When Realm Interactive was acquired by NCsoft, he continued to contribute to the game as it evolved into Exarch, and was eventually released as Dungeon Runners.

[17] On June 13, 2011, it was announced that he would be handling art duties on a new series written by Zeb Wells entitled Avenging Spider-Man.

[11] Following a three issue run on the title, Marvel announced on March 11, 2013, that Madureira would be re-teaming with Wells for a story arc on Savage Wolverine beginning with #6 in June 2013.

[18] Battle Chasers: Nightwar was released in October 2017 for Microsoft Windows, macOS, PlayStation 4 and Xbox One,[19] and in May 2018 for Nintendo Switch and Linux.

[20][21] In February 2023, Madureira confirmed to io9 that after having left Battlechasers on a cliffhanger 20 years earlier, he would produce the conclusion to the story with Battle Chasers #10, which had originally been solicited for November 2001, and would release it June 14 through Image.