The Infinite Evolutions of Batman and Superman Part I (Superman, Batman and Robin / written by Cary Bates and Edmond Hamilton) Batman evolves himself using a Kryptonian machine. But because of his jealousy de-evolves Superman!
Super Turtle (gag strip by Henry Boltinoff)
Time Trips of the Terrific Trio (full text article about Superman, Batman and Robin / written by E. Nelson Bridwell)
The Infinite Evolutions of Batman and Superman Part II: the Caveman Superman versus the Future Batman
Congorilla's Last Stand (Congorilla / written by Robert Bernstein : reprinted from: Action Comics #261)
Congo Bill and Congorilla switch places in the middle of town.
— Description from Comic Vine community (comicvine.gamespot.com).
