Accidental Mysteries, a weekly cabinet of visual curiosities curated by John Foster, highlights images of design, art, architecture and ephemera brought to light by the magic of the digital age. This week's focus is Superheroes.

Artist Shelley Castillo meticulously cuts and stacks delicate layers of paper to create beautiful monochrome portraits. More paper art via Instagram

Some more #amalgamchallenge quick designs!

The First Lady

Updated my DJ Shocker design! Not a lot changed but I think it looks better now