Unthinkable

Published in 2003 and written by Mark Waid with art by Mike Wieringo, 'Unthinkable' is a story arc from the 'Fantastic Four' series by Marvel Comics. This arc spans issues #67-70 and #500 of the 'Fantastic Four' (Vol. 3) series. The story centers around the Fantastic Four's battle with their arch-nemesis, Doctor Doom, who employs dark magic to achieve his goals. Doom's plan involves using sorcery to attack the Fantastic Four on a personal level, targeting their vulnerabilities and loved ones. Key characters include Reed Richards (Mr. Fantastic), Sue Storm (Invisible Woman), Johnny Storm (Human Torch), Ben Grimm (The Thing), and Doctor Doom. The arc is notable for its exploration of Doom's character, showcasing his willingness to sacrifice everything, including his humanity, for ultimate power. 'Unthinkable' had a significant impact on the Fantastic Four's continuity, leading to changes in the team's dynamics and setting the stage for future conflicts with Doom. The arc was well-received for its intense storytelling and character development.