This was one of Marvel/Atlas' Mad competitors Riot, an issue of which I posted before. This is the 5th issue from April 1956.
I believe this cover was by John Severin
Dan DeCarlo parodying cartoonists like Virgil Partch, Syd Hoff, Ted Key, and I think himself.
Trans-World Airlines by Bill Everett
Bruce Barlow, Conquerer of Planets-1940 - Yet another Buck Rogers/Flash Gordon type, in spite of the last panel's enticement to come back for the next adventure, this was his final one.
6 minutes ago