This is word for word from CINEMABLEND.
Of Course, spoilers for Batman V. Superman ahead.
Gonzalez isn't saying this is a rumor or something to take with a grain of salt. He's stating this as FACT. Hopefully we'll see some images or video of Doomsday soon.
Thank you to CINEMABLEND and Umberto Gonzalez, a.k.a. El Mayimbe. This is 100% their work, not mine.
You can read the original article HERE