This is a list of films produced by the U.S. film studio 20th Century Fox Film Corporation and released between its May 31, 1935 creation as a merger between Fox Film Corporation (19151935) and 20th Century Pictures (19331936) until 1999. For subsequent releases by 20th Century Fox, see List of 20th Century Fox films (2000present).

Based on that paragraph can we conclude that this sentence is true?
At the time of their merger into the 20th Century Fox Film Corporation, Fox Film Corporation was more successful than 20th Century Pictures
It's impossible to say