Low $1
Mid $2
High $10
  • 1st crossover of the Uncanny X-Men and the Teen Titans
  • Wraparound cover art by Walt Simonson
  • 1st appearance of the Source Wall, a final barrier between the Multiverse and a cosmic phenomenon that is the delta of existence
Publisher DC/Marvel
Published November 1982
Written By Chris Claremont
Illustrated By Walt Simonson