The Episode 28: Age of Justice Add-on for DC Universe Online has 4 achievements.
Defeat the Ultimate Soldier in his different states to claim and Ultimate Victory
Complete these feats from the Time-Torn Area 51: Knocking on Death's Door, In the Nick of Time, Paradox Punisher, and The Times They Are A-Changin'
During the Saving Justice Alert, while fighting Ultra-Humanite, complete the boss battle once while never allowing the JSA to be harmed. Then complete the boss battle again while allowing the JSA to be hurt at least twice, but not three times.
Complete these feats from the Justice For All Raid: Time Out, Out of Time, and One Out of Time, One at a Time