2k12 vs 2k3 is a fanfic written by TMNT Loving Leo the Second, and published at Fanfiction Net on 23 October 2016.
Plot[]
Leonardo from the 2003-2009 series switches body with one of his alternate selves, Leonardo from the 2012–2017 series.
Sequel[]
The story is followed up by 2k12 vs 2k3: Sequel.