Justice League (Arrowverse Style)

Justice League is a 2013 American superhero film based on the DC Comics superhero team of the same name. The film was directed by Anthony and Joe Russo and features an ensemble cast that includes Grant Gustin, Robert Pattinson, Melissa Benoist, Cress Williams, David Harewood, Kaya Scodelario, Jon Cryer, Carlos Valdes, Donald Glover, Katie McGrath, Audrey Marie Anderson and LaMonia Garrett. Mar Novu aka The Monitor and A.R.G.U.S director Lyla Michaels recruit seven heroes to stop Lex Luthor from subjugating earth.
Plot: The villianess Lex Luthor encounters Psycho Pirate, the second in command of an extraterrestrial race known as the Parademons. In the exchange for the destruction of Earth, To seal a power source from Stagg Industries to create a teleportation device to bring the Parademons to Earth Psycho Pirate promises Luthor an army which he subjugate Earth. Mar Novu, The Monitor a Maltusian time traveler from Maltus working with A.R.G.U.S director Lyla Michaels arrive at remote research facility during a evacuation where philanthropist Lena Luthor is leading a research team experimenting on alien threats across the globe suddenly a wormhole appears allowing Luthor to reach Earth. Luthor attacks everyone and steals the power source in response to the attack, The Monitor says it's time to assemble the heroes.
Oliver Queen and Kate Kane who are working with A.R.G.U.S are sent to Freeland recruit Jefferson Pierce to trace Lex Luthor down. The Monitor visits Barry Allen to have him lead the team and review Lena's research, and Lyla approaches Kara Danvers with an assignment to stop Luthor.
In Star City, David Kane and Luthor attack everyone. Luthor demands them all to kneel before him, leading into a confrontation with Oliver, Jefferson, Kate and Kara. Luthor overpowers them all until Barry comes in and knocks Luthor out the battle ends with Luthor surrendering. While Luthor is escorted to A.R.G.U.S, J'onn J'onzz