On February 15, 2018, the Los Angeles Gladiators formally announced their academy team would go under the name "Gladiators Legion" for Overwatch Contenders North America and revealed their 6-player 2018 Season 1 roster, led by head coach Gannon "RaptorZ" Nelson.

[5] Gladiators Legion posted a 3–4 record for the group stages of the season, and qualified for the playoffs.

The team defeated Chicken Contendies in the quarterfinals, defeated Mayhem Academy in the semifinals, and faced Philadelphia Fusion's academy team Fusion University in the finals;[6] Gladiators lost the match by a score of 1–4.

[7] Following the regional finals, the team fell to ATL Academy in a qualifier match for the Atlantic Showdown, an interregional double-elimination tournament.

However, due to a map differential tiebreaker, the Legion qualified for the NA East playoffs as the final seed.