M3-Verse: A "Spot the Difference" Challenge for Large Multimodal Models. - Kewei Wei; Bocheng Hu; Jie Cao; Xiaohan Chen; Zhengxi Lu; Wubing Xia; Weili Xu; Jiaao Wu; Junchen He; Mingyu Jia; Ciyun Zhao; Ye Sun; et al. (CoRR, 2025)