Comic Title: Superman #135
Publisher: DC (National Comics Publications, Inc.)
Address: 575 Lexington Avenue, New York, NY
Cover Date: February 1960
On Sale Date: December 17, 1959 Newsstand Date December 17, 1959
Source: House Ad, Action Comics #260, Page 14

Copyright Date December 17, 1959
Source: Library of Congress, Periodicals 1960

Frequency: Monthly, with the exception of March, June, September and December
Cover Price: $0.10
Page Count: 32
Editor: Mort Weisinger

Title: "The Trio of Steel"
Pages: 8

Feature(s):
Superman (of Earth-1)

Writer: Jerry Siegel
Artist: Al Plastino

Reprinted In:
Superman #207 (1968)
Showcase Presents Superman Vol. 2 TPB (2006)
Superman:The Man of Tomorrow Archives Vol. 3 HC (2014)

Feature Character(s)

• Superman (last appearance in Superman #135; next appearance in Superman's Girl Friend, Lois Lane #15)

Supporting Character(s)

• Lois Lane (last appearance in Superman #135; next appearance in Superman's Girl Friend, Lois Lane #15)
• Perry White (last appearance in World's Finest Comics #107; next appearance in Superman's Pal, Jimmy Olsen #43)

Villain(s)

• Mr. Mxyzptlk (last appearance in Superman #131; next appearance in Superman's Pal, Jimmy Olsen #44)

Synopsis:
Superman begins playing nasty tricks on the people of Metropolis, including Perry White and Lois Lane. He is being secretly controlled by the 5th dimensional imp, Mr. Mxyzptlk. Mxyzptlk agrees to leave and stop harassing the Man of Steel for a price. He wants a Superman robot to take home to his girlfriend.

Superman bring the imp, three robots to choose from, a Superman, a Superboy, and a Superbaby. The robots perform for Mxyzptlk so that he can decide which one he wants. The Superbaby robot uses giant blocks to spell Mxyzptlk’s name backwards, which the imp reads out loud, sending him to his home dimension once again.