X-Men, Vol. 1 #69A

Operation: Zero Tolerance - Last Exit
No active X-Men around and Iceman's team is losing it against the deadly mutant-hating Bastion and his OZT team. But Iceman himself jumps in and beats up Bastion. When everything's about to change again S.H.I.E.L.D. and the US government jump in. OZT is over.
Release Date: 1997