1st appearance of Deathstroke the Terminator

1st appearance and death of Ravager, son of Deathstroke - appears in issue #1, not in costume

1st appearance of Wintergreen, Deathstroke's mentor

1st cameo appearance of Trigon, as demonic eyes

🔮 DC Possibilities: Yet another character who could hold his own as an anti-hero in a standalone project and a few extra years on Joe Manganiello would do well for Deathstroke