The Marvel Cinematic Universe is known for constantly growing, thanks to both movies and streaming content available with a Disney+ subscription. One of the most highly anticipated upcoming Marvel movies is Thunderbolts, which will be a crossover event uniting various antagonists and antiheroes from the shared universe. The cast list for Thunderbolts is sick, but one major talent was recently lost: Steven Yeun. And the Walking Dead alum has broken his silence about dropping out of the Marvel blockbuster.
