Watch Super Smash Bros. 3DS Comic-Con tournament live

Nintendo's showing off Super Smash Bros. for 3DS in its first ever public tournament at San Diego Comic-Con.

The 128-person, double-elimination tournament pulled participants from across the convention on a first-come, first-served basis starting at noon PT / 8 pm UK. Participants will progress from 4-player qualifying matches to one-on-one finals.

The firm previously hosted an international tournament for the Wii U version of the game at E3 in June, drawing crowds and a sizable streaming audience.

The Nintendo 3DS edition of Super Smash Bros. is scheduled to release in October, while the Wii U version is slated for the holiday season.