Don't be surprised if you run into some superheroes downtown this weekend. The Alamo City Comic Con is going on.
For the next three days, fans will be able to take pictures with some of their favorite characters or even buy some pretty awesome and expensive memorabilia from their favorite comic, movie or TV show.
Among the fans was San Antonio Spurs player Matt Bonner.
"I thought it was fitting, a lot of awesome costumes here," said Bonner. "It's just really exciting the comic book and games, and it's great to be a part of it."
The "Red Mamba" autographed pictures for fans.
Comic Con runs through Sunday at the Henry B. Gonzalez Convention Center.
About 20,000 people are expected to attend.
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