This isn't really a surprise anymore. The Batman Part II is being delayed once again. This time shifting from October 2, 2026 all the way to October 1, 2027.
Post Christmas Warner Bros is busy making release date changes for next year before it rings in and beyond. The most prolific move is that Matt Reeves’ The Batman sequel is heading from Oct. 2, 2026 to Oct. 1, 2027. Production isn’t scheduled to get started until late summer and with a VFX heavy sequel such as this one, a fall 2026 theatrical release is within reach. The Reeves’ movie will have Imax screens.
Funny enough, Warner Bros always had the first weekend of October 2027 staked out for a DC title.
Source: Deadline