While most fans go to Comic-Con to see footage from their favorite movies and TV shows before anyone else, one of the fringe benefits is coming home with loads of free merchandise. Just after the Ant-Man concept art was unveiled, Marvel has released two new Comic-Concept art posters from Avengers: Age of Ultron. The first poster, designed by Ryan Meinerding showcases Iron Man (Robert Downey Jr.), while the second, created by Andy Park, features Scarlet Witch (Elizabeth Olsen), both of whom are seen battling Ultron's robotic army. Take a look at the posters below, then take a look at how you can bring them home to add to your collection.

These posters will be given out for free to fans who visit the Marvel booth (#2329) tonight, July 23, but supplies will be limited. Take a look at the official statement from Marvel, which teases that more posters are coming throughout the Con.

"Headed to San Diego Comic-Con? Don't miss out on what are sure to be some of the hottest items of the convention, these posters featuring concept art from Marvel's "Avengers: Age of Ultron"!

Make sure to stop by the Marvel booth, #2329, to pick up these free posters while supplies last! These two posters are only available during Preview Night, while supplies last. Today's posters feature artwork of Iron Man by Ryan Meinerding as well as a poster by Andy Park of Scarlet Witch.

Once these two character posters are gone, then they're gone. But maybe if you check back tomorrow, we'll have something else in store. Maybe. Keep up with all things Marvel at SDCC by keeping your eyes on Marvel.com and following @Marvel on Twitter!"

What posters do you think will be unveiled tomorrow? Check back for more details as the Con officially gets under way tomorrow.