The team name, which translates as "Demon Advancement Task Force Kiraimeiger," suggesting that the team might be demon hunting mages as the team name could be a combination of the words "kirameku (to shine)" and "mage", hence Kirameiger. Other details such as the show's official romanization or if Toei will advertise this as the 45th anniversary series* are yet to be are yet to be revealed.
[Source: Matt Hunt]
*Toei confirmed in official sources that Lupinranger is the 42nd Super Sentai team and Patranger is the 43rd Super Sentai team. Lupinranger vs. Patranger is the 42nd Super Sentai TV series.