Add watermark and cut the first 5 secs of video

ffmpeg -i inputvideo.mp4 -i watermark.png -filter_complex "[0:v][1:v]overlay=W-w-10:H-h-10[watermark]" -map "[watermark]" -map 0:a -codec:v libx264 -preset veryfast -crf 18 -ss 5 -codec:a copy outputvideo.mp4