Thunderbolts #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!"