Uncanny X-Men and the Teen Titans #1

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  • 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
Details
Publisher DC/Marvel
Published November 1982
Written By Chris Claremont
Illustrated By Walt Simonson