Verion for the Anti Monitor - all the versions can be use here, with the exception from the Crisis on Infinite Earths version. Brightest Day, Blackest Night, New 52 and The Sinestro Corps War (all these four versions that can be use here).
rules for this fight:
fight 1 - Old King Thor can use the All-Black the Necrosword
fight 2 - King Thor can`s use the All-Black the Necrosword