Comic-Con has opened in San Diego!   And fans, like the one below, who was there at last night's preview night, are already uploading videos of what they're seeing.

More than 150,000 fans are expected to attend the four-day event year, including our own Mo' Kelly who will broadcast LIVE from the event Saturday and Sunday 6-8pm!

What started in 1970 as a small, fan organized event to 'create awareness of, and appreciation for, comics and related popular art forms,' is now the largest event of its kind in the world!

But who were the four guys that came together to bring you what is now San Diego Comic-Con International?

Handel explains:

T Minus 3 days and counting! #TheMoKellyShow #KFIAM640 Broadcasting LIVE from #SanDiegoComicCon2017

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