Complex sentence: On Captain America's command, Bruce Banner is released from isolation and is beaten by several S.H.I.E.L.D. soldiers until he turns into the Hulk once again, and brutally beats Kleiser before ripping him apart and eating his remains.
Split into simpler sentences: On Captain America's command, Bruce Banner is released from isolation and is beaten by several S.H.I.E.L.D. soldiers until he turns into the Hulk once again. Hulk brutally beats Kleiser, before ripping him apart and eating his remains.