LCU stands for Lokesh Cinematic Universe, which is an Indian media franchise and shared universe of Tamil-language action thriller films created by Lokesh Kanagaraj. The franchise includes the films Kaithi, Vikram, and Leo. Leo is an action thriller film written and directed by Lokesh Kanagraj, and it stars Vijay, Trisha, Sanjay Dutt, Arjun Sarja, Mysskin, and Mansoor Ali Khan among others. While the filmmaker has not officially confirmed whether Leo is part of the LCU, Udhyanidhi Stalin, who is an actor, producer, and distributor, hinted that it is part of the LCU after watching the film. LCU is like the Tamil version of the Marvel Cinematic Universe, where major movie stars of Tamil cinema are brought together for an overarching story that will connect all the individual storylines.