If I were a hero, I'd be Martin Luther (Part 2601)....

 Superhero Anydays

Today, we've got a rather unfair bought of elbow wrestling, with Superman, vs Batman, Robin, The Flash, Green Arrow, and Plastic Man

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And today we also have four members that joined the Super Friends later in the series. 

Clockwise from top: a gender bent Apache Chief, Black Lightning, El Dorado and Samuri

POLT