My input:
sudo ffmpeg -i Nov_10,_2015.Fallout_4_5_Things_I_Like_About_Fallout_4.128p.opus -i Nov_10,_2015.Fallout_4_5_Things_I_Like_About_Fallout_4_-_DASH.1080p.mp4 -map 0 -map 1 -c copy Nov_10,_2015.Fallout_4_5_Things_I_Like_About_Fallout_4.wmv

Output:
ffmpeg version 2.8.4 Copyright (c) 2000-2015 the FFmpeg developers
  built with gcc 5.3.0 (GCC)
  configuration: --prefix=/usr --disable-debug --disable-static --disable-stripping --enable-avisynth --enable-avresample --enable-fontconfig --enable-gnutls --enable-gpl --enable-ladspa --enable-libass --enable-libbluray --enable-libdcadec --enable-libfreetype --enable-libfribidi --enable-libgsm --enable-libmodplug --enable-libmp3lame --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libv4l2 --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxvid --enable-shared --enable-version3 --enable-x11grab
  libavutil      54. 31.100 / 54. 31.100
  libavcodec     56. 60.100 / 56. 60.100
  libavformat    56. 40.101 / 56. 40.101
  libavdevice    56.  4.100 / 56.  4.100
  libavfilter     5. 40.101 /  5. 40.101
  libavresample   2.  1.  0 /  2.  1.  0
  libswscale      3.  1.101 /  3.  1.101
  libswresample   1.  2.101 /  1.  2.101
  libpostproc    53.  3.100 / 53.  3.100
Input #0, ogg, from 'Nov_10,_2015.Fallout_4_5_Things_I_Like_About_Fallout_4.128p.opus':
  Duration: 00:04:41.25, start: 0.007500, bitrate: 130 kb/s
    Stream #0:0(eng): Audio: opus, 48000 Hz, stereo, fltp
    Metadata:
      LANGUAGE        : eng
      ENCODER         : Lavf56.40.101
Input #1, mov,mp4,m4a,3gp,3g2,mj2, from 'Nov_10,_2015.Fallout_4_5_Things_I_Like_About_Fallout_4_-_DASH.1080p.mp4':
  Metadata:
    major_brand     : dash
    minor_version   : 0
    compatible_brands: iso6avc1mp41
    creation_time   : 2015-11-12 11:35:27
  Duration: 00:04:41.22, start: 0.016667, bitrate: 4566 kb/s
    Stream #1:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 67 kb/s, 60 fps, 60 tbr, 90k tbn, 120 tbc (default)
    Metadata:
      creation_time   : 2015-11-12 11:35:27
      handler_name    : VideoHandler
File 'Nov_10,_2015.Fallout_4_5_Things_I_Like_About_Fallout_4.wmv' already exists. Overwrite ? [y/N] y
[asf @ 0x55895c5738a0] Codec for stream 0 does not use global headers but container format requires global headers
[asf @ 0x55895c5738a0] Codec for stream 1 does not use global headers but container format requires global headers
Output #0, asf, to 'Nov_10,_2015.Fallout_4_5_Things_I_Like_About_Fallout_4.wmv':
  Metadata:
    WM/EncodingSettings: Lavf56.40.101
    Stream #0:0(eng): Audio: opus, 48000 Hz, stereo
    Metadata:
      LANGUAGE        : eng
      ENCODER         : Lavf56.40.101
    Stream #0:1(und): Video: h264 (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 67 kb/s, 60 fps, 60 tbr, 1k tbn, 60 tbc (default)
    Metadata:
      creation_time   : 2015-11-12 11:35:27
      handler_name    : VideoHandler
Stream mapping:
  Stream #0:0 -> #0:0 (copy)
  Stream #1:0 -> #0:1 (copy)
Could not write header for output file #0 (incorrect codec parameters ?): Operation not permitted