These two strips begin a series of strips that will lampoon the Avengers.
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To get pedantic for a moment, this thread might more properly be called "Superhero Lampoons." According to the dictionary, a parody imitates the style of something, while a lampoon will satirize a specific person or character. For an example of the difference, the Powerpuff Girls is a parody, while the Justice Friends is a lampoon. The Justice Friends lampoons specific comic book characters, namely Captain America, Thor, and Hulk, but it does it in a style very different from the comic books they appear in. In contrast, the Powerpuff Girls are not based on any particular comic book characters, though they bear some resemblance to Supergirl and her Earth-2 counterpart Powergirl. Instead, the Powerpuff Girls parodies the superhero genre without very much lampooning of specific characters.