Warning: This post contains spoilers for Thunderbolts*.
Thunderbolts* introduces one of the more unassuming villains of the Marvel Cinematic Universe: Some guy named Bob walking around barefoot in his pajamas.
Okay, he’s not just Bob. Played by Lewis Pullman, Bob is the subject of experimentation at the hands of Julia Louis-Dreyfus’ CIA director Valentina Allegra de Fontaine. She hopes to create—and control—her own superhuman, and she recruits vulnerable test subjects to develop her own version of the supersoldier serum that turned scrawny Steve Rogers into brawny Captain America.
But, as one of Val’s stooges points out to her in the movie, you inject someone purely good, responsible, and, well, like Steve Rogers with a mystery serum, and you get the ultimate super-soldier. You inject someone unstable with that same serum, and the results are less predictable. Here’s everything you need to know about Bob and his two alter-egos: Sentry and the Void.
Read more: Everything to Remember About All the Members of the Thunderbolts* Team
How does Bob become Sentry/the Void in Thunderbolts*?
Bob is not the only person that Val’s shady scientists experiment on. He’s just the only person to survive. Val tosses what she assumes is Bob’s corpse into a bunker to be destroyed along with other evidence of her wrongdoings.
When she becomes the subject of a congressional investigation, Val decides to torch the bunker with several of her personal assassins, including Florence Pugh’s Yelena, Wyatt Russell’s John Walker, and Hannah John-Kamen’s Ghost, inside. They stumble upon Bob, who, it is soon revealed, is immune to bullets, can fly, and—when he touches other people—can witness their darkest memories.
Bob struggles with mental health issues. We learn over the course of the film that his father was abusive, that Bob was once addicted to meth, and that he…

