Kang Is the Main Antagonist in Ant-man 3 but He Is Not "He Who Remains"

In Ant-Man and the Wasp: Quantumania 2023 (Ant-man 3), Kang the Conquer is now identified as the main antagonist, however this character is different with Kang He Who Remains who appeared in Marvel's Loki series aired on Disney+ in 2021. Ant-man 3 is the first film of the Marvel Cinematic Universe Phase 5.