The final phrase “11 better” likely means or a rating: “11 out of 10 — better than expected.” Could also be a challenge: Batman must determine which of the 11 babies is “the better one” — stronger, smarter, or more worthy of the cowl.
The terms " Batman's Babies " are not associated with official DC Comics or mainstream literary stories. Instead, they are frequently found on sites linked to illegal file sharing, pirated content, or unauthorized media collections