Issue: #172
It Had To Happen - Thunderbolts V. Thunderbolts! Years Ago, In The Wake Of The World's Battle With Onslaught, The Thunderbolts Were Formed To Protect A Planet Devoid Of Heroes - But They Were Villains In Disguise! Now, The 'Bolts Of The Modern Day Come Crashing Into Their Earliest Days - And Will Make A Decision That May Destroy The Marvel U - Or Save It! Part 1 Of 3!
Creators: Chris Sotomayor, Joe Caramagna, Declan Shalvey, Jordie Bellaire, Thomas Brennan, Mark Bagley, Virtual Calligraphy, Axel Alonso, Jeff Parker, Andrew Hennessy
Characters: Boomerang, Moonstone, Songbird, Satana, Megan McLaren, Fixer, Mr. Hyde, Baron Helmut Zemo, Atlas, Abe Jenkins, Centurius, Ghost, Troll
Story arcs: Like Lightning, The Great Escape