Complex sentence: Following the revelation of Miek's treachery that it had been him who triggered the destruction of Sakaar, the remaining Warbound surrendered to S.H.I.E.L.D. custody, but managed to escape during tremors caused by Manhattan Island breaking up due to the damage the Hulk had caused.
Split into simpler sentences: Following the revelation of Miek's treachery that it had been him who triggered the destruction of Sakaar, the remaining Warbound surrender to S.H.I.E.L.D. custody. They manage to escape during tremors caused by Manhattan Island breaking up due to the damage the Hulk had caused.