If I use "Archie's Ace in the Hole" or "Maxie's Hidden Ball Trick" to put a Mega Pokemon or Primal Reversion directly onto my bench, does my turn end?
No, it does not. The Mega and Primal Reversion rules say your turn ends "when one of your Pokemon becomes" that way.
Source: Primal Clash FAQ (2015-02-05), TPCi Rules Team (2015-02-05)

Relevant cards

Note: All applicable cards may not be listed below.
XY5_124
XY5_133
XY5_157
XY5_158