This episode is very similar to Harvey's Civvy, episode 3x2 of Harvey Birdman: Attorney at Law.
In both shows, the protagonist is a super-hero who has moved into another field of work. The protagonist is being sued for damages caused in the past, whilst they were a super-hero. In both cases, the group of persons suing the protagonist are characters from the action-series. Also, both times, the lawyer suing the protagonist is a villain from the action-series.