SPOILERS are ahead for Loki Season 1, streaming exclusively on Disney+. The Marvel Cinematic Universe has been teasing an expansive multiverse for some years now, especially with the title of Doctor Strange 2 being revealed as the Multiverse of Madness. With the season finale of Loki, the stakes winding us down this road are more concrete than ever. Following the showâs conclusion, Ant-Man and the Wasp: Quantamania's writer threw in his support (or at least playfully referenced) a popular Marvel theory. Ant-Man and the Wasp: Quantamania, which is set to come out in 2023. He shared this response to Lokiâs action in the Disney+ finale: