It's based on the Salem witch trials, telling the story of the ... They span oil paintings, witty wood engravings, pencil sketches, experimental marbled papers and collaged paper constructions.

For the first time in its 90-plus year history, The Nelson-Atkins Museum of Art in Kansas City presents masterworks from a group of late 1800s/early 1900s artists who established a vision of wildlife ...

With these details, Bob's arc sounds similar to Scarlett Witch in the MCU. Something similar happens with Sentry in Thunderbolts*, as he turns into Void and consumes the entire city with hisdread.