Marvel X-Force Artist Joshua Cassara Confirmed Dead At 48

Published Sep 23, 2026, 5:47 PM EDT Annie Banks is a Rotten Tomatoes–approved critic, and CBR editor and writer specializing in anime, comics, and superheroes. Her work has also appeared in Collider and The Mary Sue, where she covered pop culture, fandoms, and entertainment trends. A lifelong fan whose love for storytelling began with Star Wars: The Empire Strikes Back, Annie blends critical insight with genuine passion for geek culture, from sci-fi to K-pop. This is a developing story. The comic book industry has confirmed the devastating loss of another iconic artist. Marvel Comics mainstay Joshua Cassara has passed away at the age of 48 due to heart complications. In a social media post from his wife, Martha Cassara, she shared greater detail about her husband's death. "I'm saddened to share the impossible news that Josh died on September 22nd of heart complications. You might know him for his celebrated work in comics, but he was also a good man, a wonderful father and husband, my best friend, and the love of my life. I'll share more in the future, but for now that's about all I can manage. If you knew Josh, you know that he approached the world with humor, sweetness, and kindn...