If I were a hero, I'd be Martin Luther (Part 2415)...

 Superhero Anydays

This is a cover from on issue of DC Comics Presents by Brian Bolland.  It shows Superman in a cube held by the villainous Mogul with some members of the Legion Of Super-Heroes coming to help!

Clockwise from left: Element Lad, Wildfire, Brainiac 5, Cosmic Boy, Shadow Lass and Sun Boy.

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And today we have two cosplayers doing the Justice League members Black Canary and Zatanna. 

POLT