قَالَ مَالِكٌ : وَإِنْ أَدْرَكَهَا زَوْجُهَا، قَبْلَ أَنْ تَتَزَوَّجَ فَهُوَ أَحَقُّ بِهَا۔
This is also the ruling according to us.
Imam Malik said that if the first husband returns during the woman's waiting period ('iddah), then he will have the right to his wife.